I went to the university science department and asked to see their spiders. "I have to write a pun," I told them, "and I need to immerse myself in their habits."

I argued for half a day. They called me absurd and obnoxious, but I wouldn't back down. Is it Lab A," I demanded. "Is is Lab C? Where do you keep them?

Finally, one of the interns sighed and pointed down the corridor, "E lab, alright?"

(Elaborate)