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.

Q: Sentence1: Is it contraindicated to insert a urinary catheter into a patient who has a myocardial infarction? 
 Sentence2: I am looking for some information- Is it safe to insert a urinary catheter in a patient with myocardial infarction or are there any risks involved?

A: Similar
****
Q: Sentence1: Why dose my chest hurt when stretching and coughing plus sneezing? 
 Sentence2: I've been coughing and sneezing a lot, does that mean I have pneumonia?

A: Dissimilar
****
Q: Sentence1: My bf and I were fooling around with clothes on. And after I noticed ALot of precum on his jeans where my crotch was. Can this get me pregnant? 
 Sentence2: What are the chances of getting pregnant from fingering anf if it had precum? 

A:
Dissimilar
****