TASK DEFINITION: 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.
PROBLEM: original sentence: When Tommy dropped his ice cream , Timmy giggled , so father gave him a sympathetic look . paraphrase: When Tommy and Bobby dropped their ice creams , Timmy and Billy giggled , so father gave them a sympathetic look .

SOLUTION: Number

PROBLEM: original sentence: Emma did not pass the ball to Janie although she saw that she was open . paraphrase: Emma isn't passing the ball to Janie although she sees that she is open .

SOLUTION: Tense

PROBLEM: original sentence: The firemen arrived before the police because they were coming from so far away . paraphrase: the engineman arrived before the cops because they were coming from so far away .

SOLUTION:
Synonym