Tommy and his mother go shopping  today. Tommy's father likes apples very much. They buy some red apples for him. Tommy's mother likes yellow bananas, but the bananas are green. "Look! The strawberries are very nice, Mom. Do you like them?" Tommy says to his mother. "Yes, I like strawberries very much." Tommy's mother buys some for herself  . The oranges are very nice. Tommy's mother buys some for Tommy. He likes oranges very much. They need some vegetables. The vegetables in the supermarket are very good. They buy some tomatoes, cabbages and carrots. Tommy doesn't like carrots, but his parents like it. They like carrots very much. They buy lots of carrots. Tommy's mother buys oranges for    _   .
herself Tommy Tommy's father Tommy's sister