sent_1 stringlengths 13 68 | sent_2 stringlengths 15 73 | stem stringlengths 8 53 | date stringclasses 2
values | rationale stringclasses 2
values |
|---|---|---|---|---|
I traveled by horse. | I traveled by automobile. | I traveled by _ | null | Technological change |
He went to Deseret. | He went to Utah. | He went to _ | 1850 | Political change |
Taylor is president of the United States. | Fillmore is president of the United States. | _ is president of the United States | July 1850 | Political change |
I read my email. | I read my mail. | I read my _ | null | null |
Massachusetts is part of the United States. | Massachusetts is a British colony. | Massachusetts is _ | null | null |
She posed for a photo. | She posed for a deguerrotype. | She posed for a _ | null | null |
She read Godey's Lady Book. | She read Vogue Magazine. | She read _ | null | null |
We ate Oreos. | We ate plum pudding. | We ate _ | null | null |
The Ottoman Empire is the sick man of Europe. | Russia is the sick man of Europe. | _ is the sick man of Europe. | null | null |
Sir Walter Scott is the most popular writer in the English language. | Harriet Beecher Stowe is the most popular writer in the English language. | _ is the most popular writer in the English language. | null | null |
Chattel slavery is legal in the United States. | Chattel slavery is illegal in the United States. | Chattel slavery is _ in the United States | null | null |
France is ruled by a king. | France is ruled by an emperor. | _ is ruled by _ | null | null |
A computer is a human. | A computer is a machine. | A computer is _ | null | null |
We danced a cotillion. | We danced the hustle. | We danced _ | null | null |
I heard a speech by William Jennings Bryant. | I heard a speech by Martin Luther King Jr. | I heard a speech by _ | null | null |
She shouldered her musket. | She shouldered her rifle. | She shouldered her _ | null | null |
Wooden ships sail across the ocean. | Ironclad ships sail across the ocean. | _ ships sail across the ocean. | null | null |
Gas lamps light the streets at night. | Electric lamps light the streets at night. | _ light the streets at night. | null | null |
Coal is used to heat homes. | Natural gas is used to heat homes. | _ is used to heat homes. | null | null |
Quill pens are used for writing. | Fountain pens are used for writing. | _ are used for writing. | null | null |
Families sit around the fireplace for warmth. | Families sit around the radiator for warmth. | Families sit around the _ for warmth. | null | null |
Men wear top hats as formal attire. | Men wear bowler hats as formal attire. | Men wear _ as formal attire. | null | null |
Charles Dickens writes serialized novels. | Mark Twain writes serialized novels. | _ writes serialized novels. | null | null |
Ralph Waldo Emerson is an influential American essayist. | George Santayana is an influential American essayist. | _ is an influential American essayist. | null | null |
Lydia Maria Child writes about women's rights and gender roles. | Charlotte Perkins Gilman writes about women's rights and gender roles. | _ writes about women's rights and gender roles. | null | null |
The theory of phlogiston explains combustion. | The theory of oxygen explains combustion. | The theory of _ explains combustion. | null | null |
The atom is indivisible. | The atom is divisible. | The atom is _ | null | null |
Diseases are caused by miasma. | Diseases are caused by germs. | Dieseases are caused by _ | null | null |
The continents are fixed. | The continents drift. | The continents _ | null | null |
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