It's the third and final day of the Teachers' Conference. They have free time this morning since almost everyone enjoyed and got drunk on their fun night yesterday. They can have a quick tour today, go on swimming and buy some souvenirs at the nearby Souvenir Stores for their loved ones and branch staff. Teacher Maria woke up from the ringtone of her mobile phone. Teacher Carla is calling her, "Hey wake up Teacher Maria, it's nice to swim this early. Come on let's enjoy the pool." "Alright, I will be there later. Did you have your breakfast already?" she asked. "Yup, I had ng early breakfast already. I will be waiting for you at the pool ok," Teacher Carla said. Ding... Someone's knocking on her door. Teacher Maria wrapped her bathrobe before opening her door. She will have to take a

