A skateboarder attempts to do a trick over a homemade ramp.
A skateboarder is eating his lunch outside by a park bench.
The person that attempts to do a trick cannot be the one eating lunch.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2 x2 x3 x4.(over(e2,x3) & n_ramp(x3) & of(x3,x4) & n_homemade(x4) & Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & n_trick(x2)) & n_skateboarder(x1))
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & by(x3,x4) & n_bench(x4) & of(x4,x5) & n_park(x5) & outside(x2,x3) & n_thing(x3) & n_lunch(x2) & of(x2,x1) & n_male(x1) & n_skateboarder(x1))