Task: Text Matching
Input (English): Sentence1: Sometimes I dream when I am sleeping, but I am awake, and know I am, but dreaming too. Kinda like hallucinating. What causes this? How can I stop it? 
 Sentence2: I have been getting nightmares during my sleep for a few weeks. I am on anti-depressants and I have been hallucinating too. Do you think these could be side effects of the anti-depressant I am taking?
Output (English): Dissimilar