Premise: A man sits as a man behind him washes a bus.

Hypothesis: The boss is showing a man how to wash the bus while the worker relaxes and enjoys his duplicity.
Relation: neutral

Hypothesis: Mark Twain has convinced Huckleberry Finn to wash the entire bus while Twain outlines his new novel.
Relation: contradiction

Hypothesis: One man works, another man works on his sitting.
Relation: entailment