Task: Text Completion
Input (English): Sentence1: Around 11am, the school's fire alarm went off. Sentence2: Rushing towards the door, the students stopped when gunshots rang out. Sentence3: Then the teacher instructed them to hide under their desks. Sentence4: Diving under their desks, the students were petrified. 
 (A) They waited until the incident was over. (B) They then played heads down thumbs up.
Output (English): A