Four individuals donning snowshoes jump simultaneously to post for a picture atop a snowy mountain .
It is almost certain that four people jumped to pose for a picture , but that caused an avalanche .
It is impossible that four people jumped to pose for a picture , but that caused an avalanche .
It is almost certain that four people jumped to pose for a picture , but that caused an avalanche .
Four people jumped to pose for a picture , but that caused an avalanche .