Trina was playing with her little brother when her mother entered her room. The mother told Trina that she would be at the supermarket that was 30 minutes away from their house to buy some food, Trina said alright and after her mom left the house she noticed that her brother fell asleep. So she placed him on the bed and she walked out the room. About twenty minutes later, the doorbell rang and she went to check. She opened the door to see her mother standing there in front of the safety gate?