It's all in the punctuation:
An English professor wrote the words, "Woman without her man is nothing" on the blackboard and directed his students to punctuate it correctly.
The men wrote: "Woman, without her man, is nothing."
The women wrote: "Woman: Without her, man is nothing."

My son told his teacher the Indians could not possibly have served popcorn to the Pilgrims at the first Thanksgiving because they didn't have microwave ovens.

My son told his teacher the Indians could not possibly have served popcorn to the Pilgrims at the first Thanksgiving because they didn't have microwave ovens.

What has four legs, is big, green, fuzzy, and if it fell out of a tree would kill you?

A pool table.