One Karateka kicking the other, while the other parries the kick.
The kicker kicks the other
Sentence 1 implies that one Karateka is kicking another Karateka.
exists e1 x1 x2 x3 x4.(-(x3 = x3) & n_parry(x3) & n_other(x2) & ne_nam_karateka(x1) & card_eq_1(x1) & while(e1,x3) & n_kick(x4) & (x3 = x4) & Theme(e1,x2) & Actor(e1,x1) & v_kick(e1))
exists e1 x1 x2.(n_other(x2) & n_kicker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_kick(e1))