A man sitting on a silver motorcycle, parked outside of a pub.
A man is sitting on a bed.
There can either be a man sitting on a motorcycle or a bed.
exists e2 e1 x1 x2 x3 x4 x5.(of(e2,x5) & n_pub(x5) & r_outside(e2) & Theme(e2,x1) & v_park(e2) & on(e1,x3) & n_motorcycle(x3) & of(x3,x4) & n_silver(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_bed(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))