1-white 
2-black
3-brown
4-pink
5-grey
6-red
7-green
8-purple
9-silver
10-yellow
11-blue
12-orange
Teacher: What does this mean?
Boy: Sorry, I don’t know.
Girl: I know, Miss.
Alex: I don’t understand.
Julie: It’s OK, Alex. I can help you.
Alex: Thanks, Julie.
Girl: Excuse me. Can I help you?
Woman: Yes, please.
Girl: OK?
Woman: Yes, great. Thank you!
Girl: No problem!
PHRASES
no problem, excuse me, I don’t know, what does this mean, I can help you