Premise: A man is doing some work outdoors that requires some tools, like a mallet and chisel, while another man looks on smiling.

Hypothesis: A craftsman is teaching a novice how to carve using a hammer and chisel.
Relation: neutral

Hypothesis: One guy uses a power saw to cut wood while another holds the board.
Relation: contradiction

Hypothesis: One man is working with tools while another approvingly observes.
Relation: entailment