Reading comprehension: One noon, NAME_1 and her mother went to the supermarket to buy clothes. Suddenly, thick smoke came out of the supermarket. It turned out that the supermarket was on fire. NAME_2's mother immediately reacted and pulled NAME_1 towards the safety exit. They ran along the safety exit all the way outside, still holding wet towels over their mouths and noses. In no time, they ran to a safe place. Questions: (1) What happened to NAME_1 and her mother in the process of buying clothes? (2) Where did NAME_2's mother pull NAME_1 towards? (3) What did they use to cover their mouths and noses?