Premise: 2 people on bikes riding away on the distant road with their backs toward us as the road they are on extends on into the distance.

Hypothesis: Some friends work to improve their physical health by going for a bike ride.
Relation: neutral

Hypothesis: A couple of friends go for a bicycle ride.
Relation: entailment

Hypothesis: Two folks are sitting at a picnic table with a platter of ribs and a bowl of potato salad.
Relation: contradiction