You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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 nation in location
sentence2:region is country in location
Solution: yes
Why? A nation is a community of people of similar characteristics/descent with a common government. A country is a region sharing a common government. Hence, a nation can be defined as a country.

New input: sentence1:region is country in location sentence1:region is nation in location 
Solution:
yes