Just because two people are talking on their phones doesn't mean they're conversing with each other; even if they are, it doesn't mean that this circumstance is unbeknownst to them.


Context: "A man and woman, each wearing a white shirt, are walking down the sidewalk while talking on their phones."
Hypothesis: A man and woman, each wearing a white shirt, are walking down the sidewalk while unbeknownst to them, the person they're conversing with on their phone is each other.
Based on the context, is the hypothesis true, false, or unknown?