premise: An older woman smiles on as two pink-haired women talk. hypothesis: An older woman overhears a conversation between two pink-haired women.
neutral: Just because someone smiles as women are talking it doesn't mean that she overhears a conversation. She could be a part of the conversation but just not speaking at the time. Just because two women talk it doesn't mean that there is a conversation between two women. Each woman could be talking on her own.