An older boy holding the ears of a younger boy.
Two boys having a foot race
A boy holding the ears of a boy implies standing still, not boys having a race.
exists e1 s1 s2 x1 x2 x3 x4.(n_ear(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & of(x3,x4) & n_boy(x4) & r_more(s2) & a_younger(s2) & Theme(s2,x4) & (x1 = x2) & n_boy(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_race(x3) & of(x3,x4) & n_foot(x4) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))