In this task, you will be given two sentences sentence1 and sentence2. You should decide whether the second sentence is entailed(agreed) by the first sentence. If it does entail, answer "yes", else answer "no".
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Question: sentence1:region is planning invasion of location sentence1:region is entering  location 

Answer: yes


Question: sentence1: is touring  location sentence1: is travelling to location 

Answer: yes


Question: sentence1:employer is disagreeing with book_author sentence1:book_author is challenging  employer 

Answer:
no