Task: Text Completion
Input (English): Sentence1: I walked inside of the dentists office. Sentence2: After signing the attendance board, the dentist greeted me. Sentence3: He showed me where to sit. Sentence4: Afterwards, he started to operate on my teeth. 
 (A) I left the dentist's office with a signed petition. (B) I was nervous but he reassured me that everything was fine.
Output (English): A