根据阅读回答问题．My sister is an air hostess（空中小姐） Yesterday morning

根据阅读回答问题．
My sister is an air hostess（空中小姐）
Yesterday morning my sister was at the back of the plane.She was going to tack food and drinks to the passengers.A little old woman came up to her and said,“Could you pleas tell me where the Ladies’ Room is?”
“Certainly,Madam.”answered me sister,“It’s right at the other end of the plane,opened the door in front of her and saw the captain （机长）and his workmates in the small room.They were all busy with their work and didn’t see her.She went out again and came back to my sister.”
“Oh,didn’t you find it?”asked my sister.
“Yes,I did.”said the little old woman,“But there were four men in the Ladies’ Room watching TV!”
(1)What was she going to do when an old woman asked her?
(2)Where did the old woman want to go?
(3)Did she find what she want?
(4)Who were the four men in the small room