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