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".

sentence1:region is going to invade region sentence1:region is being attacked by region 
yes

sentence1:location is threat to location sentence1:location is hostile to location 
yes

sentence1: is person in location sentence1: is returning to location 

no