There is a group of people standing around, looking like they are waiting for something.
the skateboard was black
Standing around and waiting for something does not imply the skateboard was black.
exists p1 x1 e1 e3 e2 s1 x2 x3 x4 x5.((x1 = x2) & of(x2,x3) & for(e1,e2) & like(e2,e3) & for(e3,x5) & n_thing(x5) & Actor(e3,x2) & v_wait(e3) & n_thing(x2) & Actor(e2,x4) & v_look(e2) & a_around(s1) & Manner(e1,s1) & Actor(e1,x4) & v_stand(e1) & (x3 = x4) & n_people(x3) & n_group(x2))
exists s1 x1.(n_skateboard(x1) & Theme(s1,x1) & a_black(s1))