Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: A person met me in the lobby of the office.  We didn't have much in common, but we did something before going up to the meeting.  What did we do?
converse
Shook hands.