premise: A man dressed in a red shirt and black tie stands up at a wedding reception to make a speech. hypothesis: a man sits shyly near a bride.
contradiction: Stands and sits are different activities. One who sits shyly generally is not making a speech.|contradiction: The man either stands up at a wedding or sits shyly.|contradiction: The man either boldly stands up at a wedding reception to make a speech.or sits shyly near a bride.