115. Great minds think alike

W: What's the matter with the machine?

M: I think there is something wrong with the engine.

W: Great minds think alike.

M: What do you think of the questionnaire report?

W: I think the groups for survey are too limited.

M: Great minds think alike.

116. That's what I think

W: Shall we go out to have dinner?

M: That's what I think.

W: Then let's go now.

M: I think we should put a subject in the front.

W: That's what I think.

M: Which word then?