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.

Example Input: Sentence1: What is ovulation and when will female ovulates?
Sentence2: I have recently become sexually active and have heard that I should avoid having unprotected sex during ovulation as it can lead to pregnancy. Is that true? How can I know when I would ovulate?
Example Output: Similar

Example Input: Sentence1: I get very lightheaded quite often. Could it be because I am anemic?
Sentence2: Could feeling lightheaded and dizzy be due to anemia?
Example Output: Similar

Example Input: Sentence1: I was curious how far along i'd be if the ultrasound said 6.5 cm/1.3/27 Hz at the top of my picture. ?
Sentence2: I missed my period and my OBGYN did an ultrasound scan. I was going through the scan reports and I was wondering how far along I would be if it said 6.5cm/1.3/27 Hz at the top of my picture. Can you explain?
Example Output:
Similar