A man dressed as a clown is blowing bubbles.
A clown blowing bubbles.
A man could have borrowed the clown costume, but not identify as a clown. Like wearing a firefighter uniform doesn't make me a firefighter.
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_blow(e2) & n_bubble(x4) & as(e1,x3) & n_clown(x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1.(a_topic(x1) & n_bubble(x1) & Actor(e1,x1) & v_blow(e1) & a_clown(s1) & Theme(s1,x1))