(informal addressee-lowering) A sentence-final ending used to guess what the following statement would be like, if the preceding statement is such, and ask about it.

(informal addressee-lowering) A sentence-final ending used to indicate the following content would obviously be realized if the preceding content were true, but actually it is not.

(informal addressee-lowering) A sentence-final ending used when asking the listener to try to guess and answer.

(informal addressee-lowering) A sentence-final ending used when presenting the reason for the preceding statement.

(informal addressee-lowering) A sentence-final ending used when asking about the other person's intentions.