premise: A young boy in a yellow rash guard is walking on the shore carrying a surfboard. hypothesis: A kid is about to go surfing for the first time and is on his way to the beach.
neutral: Carrying a surfboard may be for a reason other than surfing.  This may not be the first time the boy is with a surfboard.  He may be on his way somewhere or returning from somewhere.  The shore location may or may not involve a beach.