An inline skater wearing a purple jacket is performing a trick on a ramp.
A person is sitting by the beach.
One cannot be sitting on the beach while performing a trick on a ramp.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(on(e2,x6) & n_ramp(x6) & Theme(e2,x5) & Actor(e2,x1) & v_perform(e2) & n_trick(x5) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_jacket(x4) & a_purple(s1) & Theme(s1,x4) & (x1 = x3) & n_skater(x1) & of(x1,x2) & n_inline(x2))
exists e1 x1 x2.(n_beach(x2) & by(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1))