Two men kick in the air at each other on a grassy area, while another man watches them in the background.
The two martial arts students spar on the lawn, while an instructor looks on.
Men can kick at each other without being martial arts students and another man could watch without being an instructor.
exists e1 x1 x2 x6.(n_background(x6) & n_thing(x2) & n_air(x2) & all x3.(n_other(x3) -> exists p1 s1 x4.(exists e2 x5.(in(e2,x6) & Theme(e2,x2) & Actor(e2,x5) & v_watch(e2) & n_man(x5) & -(x5 = x1)) & while(e1,p1) & on(e1,x4) & n_area(x4) & a_grassy(s1) & Theme(s1,x4) & at(e1,x3))) & n_man(x1) & n_man(x1) & in(e1,x2) & Actor(e1,x1) & v_kick(e1) & card_eq_2(x1))
exists e1 p1 s1 x1 x2 x3.(n_lawn(x3) & n_student(x1) & of(x1,x2) & n_art(x2) & a_martial(s1) & Theme(s1,x1) & card_eq_2(x1) & exists e2 s2 x4.(a_on(s2) & Manner(e2,s2) & Actor(e2,x4) & v_look(e2) & n_instructor(x4)) & while(e1,p1) & on(e1,x3) & Actor(e1,x1) & v_spar(e1))