Definition: In this task you are given a medical question pair hand-generated. Your task is to classify a given post into two categories 1) 'Similar' if the given two questions have a same connotation 2) 'Dissimilar' if the given two questions have a different connotation or meaning.

Positive Example 1 -
Input: Sentence1: After how many hour from drinking an antibiotic can I drink alcohol? 
 Sentence2: I have a party tonight and I took my last dose of Azithromycin this morning. Can I have a few drinks?
Output: Similar

Positive Example 2 -
Input: Sentence1: After how many hour from drinking an antibiotic can I drink alcohol? 
 Sentence2: I vomited this morning and I am not sure if it is the side effect of my antibiotic or the alcohol I took last night...
Output: Dissimilar

Negative Example 1 -
Input: Sentence1: Can doxycycline treat an ear infection? 
 Sentence2: What are the side effects of Doxycycline?
Output: Similar

Negative Example 2 -
Input: Sentence1: How do add and ADHD differ? 
 Sentence2: Are ADD and ADHD the same? My sister is diagnosed with ADD. So looking out for some stuff to read through.
Output: Dissimilar

Now complete the following example -
Input: Sentence1: I workout pretty hard and recently my knee has been clicking when I walk down stairs or try to do any leg exercises. No pain. What could this be? 
 Sentence2: I have noticed a clicking of the knee joint whe walking downstairs. Surprisingly, there has been no pain. What is causing this?
Output: 


Output: Similar