A boy with superman shirt exercising his imagination.
a child in a shirt uses their imagination.
a boy is a child. uses imagination is another way to say exercising his imagination.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_exercise(e1) & n_imagination(x5) & of(x5,x1) & n_male(x1) & (x2 = x4) & n_shirt(x2) & of(x2,x3) & n_superman(x3) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_use(e1) & n_imagination(x3) & of(x3,x1) & n_thing(x1) & in(x1,x2) & n_shirt(x2) & n_child(x1))