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 being attacked by military_combatant sentence1:military_combatant launches war against region 
yes

sentence1:location is signing treaty with location sentence1:location is second to location 
no

sentence1:person*politician is trying to link  sentence1:person*politician is having lead over  

no