Power of Punctuation Mark

An English professor wrote the below words on the blackboard n asked his students to punctuate it correctly.

"A woman without her man is nothing"

All of the boys in the class wrote:

"A woman, without her man, is nothing." 

All the girls in the class wrote:

"A woman: without her, man is nothing." 

That is the power of Punctuation mark.! Be Careful!