Read and judge. 根据短文内容判断句子正误。

Look, this is a photo of Jill's family. You can see Jill's grandpa. He's an old man. He can swim fast. Jill's grandma is fat, but she is beautiful. Jill's father is a firefighter. He's cool! Jill's mother is thin and she can dance well. Jill has a sister. Her name is Tracy. She's only three years old. She can't read, but she can play with her toys. Jill loves her family very much.