A boy wearing no shirt and some blue jeans is jumping in the air in the woods.
a boy is showing off for other boys
A boy jumping in the air in the woods is not necessarily showing off for other boys.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_wood(x6) & n_air(x5) & in(e2,x6) & in(e2,x5) & Actor(e2,x1) & v_jump(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x4,x3) & n_jeans(x4) & a_blue(s1) & Theme(s1,x4) & -exists x7.(subset_of(x7,x3) & n_shirt(x7)) & (x1 = x2) & n_boy(x1))
exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & for(e1,x2) & -(x2 = x1) & n_boy(x1) & n_boy(x1) & n_boy(x2) & Actor(e1,x1) & v_show(e1))