A motorcyclist "pops a wheelie" in a grassy field framed by rolling hills.
A mtorcyclist is showing off his tricks at a party.
Just because the motorcyclist popped a wheelie, does not mean he ws showing off his tricks.  We also do not know if he was at a party.
exists e2 e1 e3 s1 s2 x1 x2 x3 x4 x5.(Theme(e3,x2) & Actor(e3,x1) & v_pop(e3) & Actor(e1,x5) & n_hill(x5) & Actor(e2,x5) & v_roll(e2) & Theme(e1,x4) & v_frame(e1) & (x2 = x4) & in(x2,x3) & n_field(x3) & a_grassy(s2) & Theme(s2,x3) & n_wheelie(x2) & a_''(s1) & Theme(s1,x2) & n_motorcyclist(x1))
exists e1 s1 x1 x2 x3.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & at(x2,x3) & n_party(x3) & n_trick(x2) & of(x2,x1) & n_male(x1) & n_mtorcyclist(x1))