TASK DEFINITION: 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".
PROBLEM: sentence1:employer is trading to employer sentence1:employer is defeating  employer 

SOLUTION: no

PROBLEM: sentence1:military_combatant is going to invade location sentence1:military_combatant is annexing  location 

SOLUTION: yes

PROBLEM: sentence1:organization_founder is challenging  person sentence1:person is attacking  organization_founder 

SOLUTION:
no