Do you own a lawn mover?

Two Newfoundland fishermen, Robert and Peter, are sitting at their favorite bar, drinking beer. Robert turns to Peter and says,"You know, I'm tired of going through life without an education. Tomorrow I think I'll go down to the community college and sign up for some classes." Peter agrees that it's a good idea, and the two leave.

The next day, Robert goes down to the college and meets the Dean of Admissions, who signs him up for the four basic classes:Math, English, history, and Logic.

"Logic?" Robert says. "What's that?"

The dean says, "I'll show you. Do you own a lawn mower?"

"Yeah."

"Then logically speaking, because you own a lawn mower, I think that you would have a yard."

"That's true, I do have a yard."

"I'm not done," the dean says. "Because you have a yard, I think, logically, that you would have a house."

"Yes, I do have a house"

"And because you have a house, I think that you might logically have a family."

"I do have a family."

"I'm not done yet. Because you have a family, then, logically, you must have a wife."

"Of course."

"And because you have a wife, then logic tells me you must be a heterosexual."

"I am a heterosexual. That's amazing, you were able to find out all of that because I have a lawn mower."

Excited to take the class now, Robert shakes the Dean's hand and leaves to go meet Peter at the bar. He tells Peter about his classes, how he is signed up for Math, English History, and Logic.

"Logic?" Peter says, "What's that?"
Robert says, "I'll show you. Do you have a lawn mower?"

"No."

"Then you're a queer."

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It's all in the delivery. Depending on the person and how you tell it, you can half-mutter "fag" as the punch-line.