Man is enthralled with huge iridescent bubble floating overhead.
The man is a woman and there is no bubble.
They can be either a man or a woman, the bubble either is or isn't.
exists e2 e1 s1 s2 x1 x2 x3 x4.(with(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_float(e2) & n_overhead(x4) & (x2 = x3) & n_bubble(x2) & a_iridescent(s2) & Theme(s2,x2) & a_huge(s1) & Theme(s1,x2) & Theme(e1,x1) & v_enthral(e1) & n_man(x1))
exists p1 x1.(n_man(x1) & exists p2 x2 x3 x4 x5.((x1 = x2) & -exists x6.((x5 = x6) & n_bubble(x6)) & (x2 = x5) & subset_of(x4,x2) & subset_of(x3,x2) & n_woman(x3)))