A scenario illustrating informational social influence is how a person might react to potential smoke in a movie theater. If the source is ambiguous—it could be a real fire or a special effect like a fog machine—an individual will likely observe others' reactions. If the crowd shows concern and begins to leave, the individual will probably follow, assuming the group has correctly assessed the situation as dangerous. Conversely, if others remain calm, the individual is likely to stay, interpreting the situation as non-threatening based on the group's inaction.