A boy wearing a blue t-shirt is jumping up in the air on a city street.
There is a boy jumping up in the air because he is happy.
Boys jump for many reasons, it does not mean it is because he is happy.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_air(x4) & in(e2,x4) & on(x4,x5) & n_street(x5) & of(x5,x6) & n_city(x6) & a_up(s2) & Manner(e2,s2) & Actor(e2,x1) & v_jump(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_t-shirt(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists p1 x1 x4.(n_male(x4) & n_air(x4) & exists e1 p2 s1 x2 x3.((x1 = x2) & exists s2.(Theme(s2,x4) & a_happy(s2)) & because(e1,p2) & in(e1,x4) & a_up(s1) & Manner(e1,s1) & Actor(e1,x3) & v_jump(e1) & (x2 = x3) & n_boy(x2)))