listen to the dialogue 1

(At Peter's home)

Peter: Sam, this is my sister, Amanda.

And this is my classmate, Sam.

Sam: Nice to meet you, Amanda.

Amanda: Nice to meet you, too.

Sam: Are you a painter?

Amanda: No, I'm not. I'm an engineer.

Sam: Wow! An engineer. Ouch!

What's this?

Amanda: It's my robot.

Sam: Cool.