Man about to kick football on a field.
a boy practice free throws
The person cannot kick a football and practice free throws at the same time.
exists p1 s1 x1 x2.(a_topic(x1) & Topic(s1,p1) & Actor(s1,x2) & a_about(s1) & exists e1 x3 x4.(on(e1,x4) & n_field(x4) & Theme(e1,x3) & Actor(e1,x2) & v_kick(e1) & n_football(x3)) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Actor(e1,x1) & v_throw(e1) & Theme(s1,x3) & a_free(s1) & (x1 = x3) & n_practice(x1) & of(x1,x2) & n_boy(x2))