A group of people are in a rowboat in the ocean surrounded by seagulls.
A group of people are rowing towards some islands while one of them fishes.
Just because the people are in a rowboat, it doesn't mean they are rowing, moving towards any islands, nor fishing.
people in rowboat does not imply that they are rowing towards island also surrounded by seagulls does not mean that one of them fishes.
That people are in a rowboat in the ocean does not mean that one of them fishes.