1. Sally: You can't wear that dress to the dance!
Jane: Watch me.
Disagreement. Jane says that she is indeed going to wear the dress, and Sally can be a witness to this if she wants.
2. Sally: You can't wear that dress to the dance!
Jane: What's wrong with it?
Disagreement. Jane is not asking for information here, she is asking Jane to give her reasons so that she can challenge them.
3. Sally: You can't wear that dress to the dance!
Jane: Blue suits me.
Disagreement. Jane is saying that she thinks the dress is right for her, so she is going to wear it, despite Sally's opinion.
4. Sally: I think I'll wear this dress.
Jane: If you like it, go for it.
Neutral. Jane is not giving her opinion of the dress, but just suggesting that Sally must choose.
5. Sally: Well, I want to wear it.
Jane: Well, you know best, I'm sure
Disagreement. Without the words 'I'm sure' this might be neutral. However, in this context, 'I'm sure' means 'I'm sure you are wrong'.
6. Sally: Don't you think this colour is great?
Jane: You've got really good taste.
Agreement. Jane is saying that this is a colour that suits Sally, and she would have chosen it for her as well.
7. Sally: I hope Bill is there - he's so cute.
Jane: Ken is cute too.
Agreement. By using 'too' Jane suggests that Bill and Ken are both cute.
8. Sally: I hope Bill is there - he's so cute.
Jane: Cute? Ken is cute.
Disgreement. Jane is saying that she does not think Bill is cute. She suggests Sally look at Ken to see what someone cute is like.