instruction:
You will be given two sentences. One of them is created by paraphrasing the original one, with changes on an aspect, or using synonyms. Your task is to decide what is the difference between two sentences. Types of change are explained below:
 Tense: The verbs in the sentence are changed in tense.
Number: Plural nouns, verbs and pronouns are changed into single ones or the other way around.
Voice: If the verbs are in active voice, they're changed to passive or the other way around.
Adverb: The paraphrase has one adverb or more than the original sentence.
Gender: The paraphrase differs from the original sentence in the gender of the names and pronouns.
Synonym: Some words or phrases of the original sentence are replaced with synonym words or phrases. Changes in the names of people are also considered a synonym change. Classify your answers into Tense, Number, Voice, Adverb, Gender, and Synonym.
question:
original sentence: Frank was upset with Tom because the toaster he had bought from him didn't work . paraphrase: Elizabeth was upset with Mary because the toaster she had bought from her didn't work .
answer:
Gender


question:
original sentence: Emma's mother had died long ago , and her education had been managed by an excellent woman as governess . paraphrase: Jack's father had died long ago , and his education had been managed by an excellent man as tutor .
answer:
Gender


question:
original sentence: This morning , Joey built a sand castle on the beach , and put a toy flag in the highest tower , but this afternoon the tide knocked it down . paraphrase: This morning , a sand castle was built on the beach by Joey , and a toy flag put in the highest tower , but this afternoon it was knocked down by the tide .
answer:

Voice