In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.
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Question: Sentence: These include all current Airbus , Boeing , Bombardier and Embraer models as well as Helicopters . 
 Question: what is  included?

Answer: all current Airbus , Boeing , Bombardier and Embraer models as well as Helicopters


Question: Sentence: Since there was nothing objectionable in it , most likely it was somehow lost by Bentley 's printer when the `` Etymology '' and `` Extracts '' were moved . 
 Question: what might  have been lost?

Answer: it


Question: Sentence: In addition , even when they do match , escape mutants are often generated . 
 Question: what   escapes?

Answer:
mutants