KS Presents: Hilarity by Ambiguity

Base Sentence:
Most of the men prefer women between the ages 21 and 25.

Intended and Usually Correctly Interpreted Meaning:
Women between the ages 21 and 25 are preferred by most men.

Equally Valid Alternate Meaning:
Most of the men between the ages of 21 and 25 prefer women.

Implication of the Equally Valid Alternate Meaning:
Most of the men younger than 21 and older than 25 might not prefer women.

*stilted, unnatural sounding laughter*

 

granted a comma doesn't work for the OP