What do both of the speakers agree on？

M: British English and American English are really about the same, aren’t they?
W: I don’t think so. It seems that some of the spellings are different.
M: You’re right, Nina. Words like "theater" and "center" end in "r-e" in England instead of in" e-r" like we spell them. Can you think of any more exampies?
W: The word "color" ?
M: Good. Actually, many words which end in "o-r" in American English are spelled "o-u-r" in British English.
W:OK. There are some differences in pronunciation and meaning.
M: Anyway, we both agree that British English and American English are different. Right?
W: Sure. But not so different that it prevents us from understanding each other.
M: Yes. I quite agree with you.