Task: Question Answering
Input (English): Passage: I arrived at the swimming pool but needed to change in my swimming attire . I head to the locker room to change into my swimming attire and lock my belongings in my locker . Then , I head out to the swimming pool and mingle with the other guests . The teacher introduces themselves and then proceeds to talk about safety and rules of being at a swimming pool . The teacher then tells us to introduce ourselves to somebody to help make us feel more comfortable . We all go into the shallow end of the pool as the teacher demonstrates basic strokes to the class and we all copy the teacher . The teacher also had us challenge ourselves by having us go into the deeper end of the pool . It was a difficult keeping myself afloat , so I avoided going too deep . After class was over , I headed back to the locker room , showered , and changed into my outfit for the rest of the day . Question: Who did they introduce to the class? Option1: The guests. Option2: Teacher introduced themselves.
Output (English): Teacher introduced themselves.