I have two good friends .They are Peter and Gina .Here are two photos .The first one is a photo of Peter's family , and the next one is a photo of Gina's room . In the first photo , you can see four people . They are Peter's parents , Peter and his sister .Peter's father is a teacher . And his mother is a teacher too .Can you see the boy on the bed ? That's Peter . A red hat is on his head .Who is the girl ? Oh , she is Peter's sister . Her name is Nancy . In the next photo , you can see a tidy room . It's Gina's room . A blue desk , a yellow chair , a green bookcase and a white bed are in it . A computer and some CDs are on the desk .Her red schoolbag is on the chair .A dictionary is on the bed . Gina's room is very clean and tidy . There are   _  people in Peter's family .
five two three four