Banger #1: You know, you can learn a lot about an organism by examining its stool.
Banger #2: Okay, Sarge, what do we learn from the pile the human commander left in his bag?
Banger #1: I think you may have misunderstood me, Corporal.
Banger #1: You can learn a lot by examining the stool.
Banger #2: Hey, I opted out of the continuing education voucher this year.