A skateboarder wearing a blue shirt and black slacks rests on the ground and looks toward the camera while is skateboard sits in front of him and a steep incline looms behind him.
A person is at a skateboard park.
THE PERSON IS A SKATEBOARDER. SKATEBOARD PARKS HAVE STEEP INCLINE D LOOMS.
(x)
exists p1 x1.(exists x2 x3.(at(x1,x2) & n_park(x2) & of(x2,x3) & n_skateboard(x3)) & n_person(x1))