Premise: Something is happening off-screen that caught both the young man and the woman's attention.

Hypothesis: A young couple stunned by the accident that they have just witnessed off picture.
Relation: neutral

Hypothesis: A young man and woman are startled by what they see occuring off in the distance.
Relation: entailment

Hypothesis: An old man and woman laughing at a bird in a tree.
Relation: contradiction