A man in white shirt is making a speech.
A man is making a speech.
Making a speech is synonymous to making a speech
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_make(e1) & n_speech(x3) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_speech(x2) & n_man(x1))