Beach goers look at a heart left in the sky by a sky writer.
An airplane writes a name for people at a park.
The plane is at the beach not the park. A heart is not a name.
exists e1 e2 x1 x2 x3 x4 x5 x6.(at(e1,x3) & Actor(e2,x6) & n_writer(x6) & of(x6,x5) & n_sky(x5) & n_sky(x5) & in(e2,x5) & Theme(e2,x4) & v_leave(e2) & (x3 = x4) & n_heart(x3) & Actor(e1,x1) & v_look(e1) & n_goer(x1) & (x1 = x2) & ne_per_beach(x2))
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_park(x4) & for(e1,x3) & n_people(x3) & Theme(e1,x2) & Actor(e1,x1) & v_write(e1) & n_name(x2) & n_airplane(x1))