Premise: An older man dressed in red and black is operating machinery while there are others in the background doing the same thing.

Hypothesis: A man in red and black coveralls is operating the bottler in a factory with the rest of his team working in the background.
Relation: neutral

Hypothesis: An older man dressed in black and blue is working alone at a printing press.
Relation: contradiction

Hypothesis: Some people are near machinery.
Relation: entailment