Three statements are given followed by three conclusions numbered I, II and III.
Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
Some sounds are noises.
All noises are debates.
Some debates are conversations.

Conclusions:
I. No noise is a conversation.
II. At least some conversations are sounds.
III. Some sounds are debates.