Premise: An old man, likely a blacksmith, is welding a tool, seen by the red hot scorching look of it.

Hypothesis: An older man, probably a blacksmith, is welding a tool, seen by the red hot scorching look of it.
Relation: entailment

Hypothesis: A probable blacksmith is welding a tool.
Relation: entailment

Hypothesis: A farmer is milking the cow.
Relation: contradiction