I would take issue with it, I think the sane course of action would be to either ignore it, or to ask the people in question to refrain from further innuendo. I

I would take issue with it, I think the sane course of action would be to either ignore it, or to ask the people in question to refrain from further innuendo. If they continue to make the jokes then more drastic action like removing them from the event might be appropriate.