Three young men with lacrosse sticks are chasing the ball.
The young men are in lacrosse uniforms.
Men with lacrosse sticks does not imply they are in lacrosse uniforms.
exists e1 s1 x1 x2 x3 x4.(n_ball(x4) & Theme(e1,x4) & Actor(e1,x1) & v_chase(e1) & with(x1,x2) & n_stick(x2) & of(x2,x3) & n_lacrosse(x3) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists p1 s1 x1.(n_man(x1) & a_young(s1) & Theme(s1,x1) & exists x2 x3.(in(x1,x2) & n_uniform(x2) & of(x2,x3) & n_lacrosse(x3)))