Here are two fathers and two sons. How many people at least

There are two father and two sons.How many people at least a Two fathers and two sons are in the same photo.How many peop There are two fathers and two sons in the room,but there are Two fathers and two sons went fishing .Each fisherman caught 猜谜语‘here are three people.in all.but they are two fathers an Two fathers and two sons went to a bookstore.They bought thr Two fathers and two sons go to take a picture.When they see two fathers and two sons went to a bookstore.theybought ther 英文成语Two fathers and three sons went to a fast food restauran He has two sons,1.and two of them are teachers.2.two of whom The Whites have two sons and ---are studying in university. He has two sons,and ( ) are collage students.