A man in a blue shirt showing off what he is cooking.
man is cooking
A man can only be showing off what he is cooking if he is cooking.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & exists e2 e1 s2 x4.(n_thing(x4) & a_off(s2) & Manner(e2,s2) & Theme(e2,x4) & Actor(e2,x3) & v_show(e2) & Theme(e1,x4) & Actor(e1,x1) & v_cook(e1)) & n_male(x1) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1.(Theme(s1,x1) & a_cooking(s1) & n_man(x1))