On Monday, John wears a red shirt and notices his co workers seem less patient with him. On Wednesday, John wears a blue shirt and notices that none of his coworkers approach him, working quietly the entire day. On Friday, John wears a yellow shirt and notices that everyone is cheerful and full of glee. From this, John strikes up a hypothesis to say that the mood of his colleagues must be as a result of the color of his shirt . Is this true l, false, or unsubstantiated