1st camper walks out to the chair, takes his gum out of his mouth, places it on the back of the chair, and then walks off.
2nd camper walks out to the chair, leans his hand on the back, finds the gum on his hand, and totally disgusted wipes it on the seat of the chair and walks off.
3rd camper walks up to the chair and sits down. He realizes with great disgust that the gum is stuck to his bum. Disgusted, he peels it off, throws it to the ground, and walks off.
4th camper walks out to the chair, then realizes he’s got gum stuck to his shoe. With great disgust he peels it off, sticks it to the back of the chair, and walks off.
1st camper comes back, walks up to the chair, peels it off, sticks it in his mouth and walks on.