A traveling salesman's car breaks down

A traveling salesman's car breaks down, and he walks over to a near by farm. He knocks on the door and the farmer appears. 'Excuse me sir, but my car broke down about a mile down the road, and I was wondering if you had a place I could stay, just until morning, and I.....' The farmer says, 'Well, I can let you sleep in the barn, but you'll have to sleep with my two sons....' The salesman says, 'Sons! I must be in the wrong joke!'
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