Little Johnny was doing his work in math class, when his...

Little Johnny was doing his work in math class, when his teacher chose him to answer a question.
Teacher: Johnny if there were four birds on a fence and you shot one with your gun how many would be left?
Johnny: None because the rest would fly off.
Teacher: The answer was 3, but I like the way you're thinking!
Johnny: Well I have a question for you! If there 3 girls at a ice cream shop, one was licking her cone, one was biting her cone, and one was sucking her cone, which one is married?
"Well" said the teacher nervously " I guess the one sucking her cone...
Johnny: No the one with the wedding ring on her finger. But, I like the way you're thinking!