In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.

Example Input: Context: #vanessahicks is an #American who understands the heart&soul of our #Soldiers .She captured that in the most beautiful way! #flagbaby #USA Tammy Motola (@tmotola) March 12, 2015 Question: whose heart and soul is understood? Answer: soldiers
Example Output: yes

Example Input: Context: The llama chase reminds me of story when I worked in Columbus. Wayward llama was killed by hit and run driver. We called it the llamacide. Steve Brusk (@stevebruskCNN) February 26, 2015 Question: which kind of animal was killed? Answer: a llama
Example Output: yes

Example Input: Context: Our flag flies over our Embassy in Havana once again. More Americans are traveling to Cuba than at any time in the last 50 years. President Obama (@POTUS) February 18, 2016 Question: what country did obama say more americans are traveling to more than any time in the last 50 years? Answer: cuba
Example Output:
yes