A soccer player in yellow falls while a soccer player in white steps on his foot.
The person stepped on the other person's foot on purpose.
Not all soccer players step on each other's feet on purpose.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(while(e1,x4) & in(x4,x6) & on(x6,x7) & n_foot(x7) & of(x7,x1) & n_male(x1) & n_step(x6) & a_white(s1) & Theme(s1,x6) & n_player(x4) & of(x4,x5) & n_soccer(x5) & Actor(e1,x1) & v_fall(e1) & in(x1,x3) & n_yellow(x3) & n_player(x1) & of(x1,x2) & n_soccer(x2))
exists e1 x1 x2 x3.(n_foot(x2) & of(x2,x1) & -(x1 = x1) & n_person(x1) & n_person(x1) & on(e1,x2) & on(x2,x3) & n_purpose(x3) & Actor(e1,x1) & v_step(e1))