context: Four men riding in a gray, fast moving boat appear to be wearing vests.
hypothesis: It is impossible that a group of rich aristrocrats are yacthing and are annoyed by four men riding in a fast boat.
valid_hypothesis: It is impossible that a group of rich aristrocrats are yacthing and are annoyed by four men riding in a fast boat.
invalid_hypothesis: It is probable that a group of rich aristrocrats are yacthing and are annoyed by four men riding in a fast boat.
hypothesis_assertion: A group of rich aristrocrats are yacthing and are annoyed by four men riding in a fast boat.