A seagull is standing on a picnic table
A seagull is standing.
Both sentence are talking about seagull.
exists e1 x1 x2 x3.(on(e1,x2) & n_table(x2) & of(x2,x3) & n_picnic(x3) & Actor(e1,x1) & v_stand(e1) & n_seagull(x1))
exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_seagull(x1))