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".
--------
Question: sentence1:organization is releasing version of computer_software sentence1:computer_software is   organization 's system

Answer: yes


Question: sentence1:location is launching attack on location sentence1:location is transferring to location 

Answer: no


Question: sentence1:book_author is leader of region sentence1:book_author is returning to region 

Answer:
no