根据对话内容，判断正（T）误 （F） 。
A: Hello! I'm Peter.
B: I'm Jim Green. Nice to meet you, Peter.
A: Nice to meet you, Jim. How old are you?
B: I'm twelve. And you?
A: I'm eleven. What class are you in?
B: I'm in Class One, Grade Two.
A: I'm in Class Two, Grade One. What's your number, Jim?
B: I'm Number Three, in Row Four. What about you?
A: I'm Number Four, in Row Three.
B: OK! Let's go to school.
( )1. Peter and Jim are students.
( )2. Peter is twelve and Jim is eleven.
( )3. Peter and Jim are in Grade Two.
( )4. Jim is in Class 2.
( )5. Jim is Number 3, in Row 4.