Two girls, one with dark hair, wearing glasses and red pants, the other with a blue shirt and jeans with blond-hair talking and walking down a sidewalk.
An old pirate shows off all his extreme tattoos.
Either there are two girls talking and walking down a sidewalk or there is an old pirate showing off his extreme tattoos.
An old pirate is not two girls.
Neither of the two girls is the old pirate.  The pronoun that is used to describe his tattoos makes it clear that it is a man.