Task: Text Matching
Input (English): Sentence1: I'm 5 weeks pregnant and this morning had brownish spotting, my gyn said this is normal and ita was due to implantation, should I be worried? 
 Sentence2: I have abdominal cramps, spotting, nause and fatigue. I am on oral contraceptive pills. I take them regularly. My pregnancy test is negative. I dont believe it is implantation as I am not pregnant. Could it be withdrawal bleeding or do I have an STD?
Output (English): Dissimilar