A wakeboarder is performing a trick on a rail.
Someone is doing something fun.
Sentence 1: A wakeboarder is performing a trick on a rail. Sentence 2: Someone is doing something fun.
exists e1 x1 x2 x3.(on(e1,x3) & n_rail(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & n_wakeboarder(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & Time(x2,x3) & n_fun(x3) & n_thing(x2) & n_person(x1))