context: Man biking in half pipe with graffiti on cement.
hypothesis: Chances are slight that man biking with his friends in half pipe with graffiti on cement.
valid_hypothesis: It is probably the case that man biking with his friends in half pipe with graffiti on cement.
invalid_hypothesis: Chances are slight that man biking with his friends in half pipe with graffiti on cement.
hypothesis_assertion: Man biking with his friends in half pipe with graffiti on cement.