A boy in a long-sleeve shirt is holding a box above his head.
A boy is showing off his present.
Just because he is holding a box above his head, doesn't mean he is showing off a present.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & above(x3,x4) & n_head(x4) & of(x4,x1) & n_male(x1) & n_box(x3) & in(x1,x2) & n_shirt(x2) & a_long-sleeve(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & n_present(x2) & of(x2,x1) & n_male(x1) & n_boy(x1))