One person snowboarding while others look on.
A snowboarder stowing their equipment.
One is either snowboarding or stowing their equipment.
exists e1 p1 x1 x2.(a_topic(x1) & exists e2 p2 x3.(exists s1.(Theme(s1,x3) & a_on(s1)) & Topic(e2,p2) & Actor(e2,x3) & v_look(e2) & -(x3 = x1) & n_person(x3)) & n_person(x1) & while(e1,p1) & Actor(e1,x2) & v_snowboard(e1) & (x1 = x2) & n_person(x1) & card_eq_1(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_stow(e1) & n_equipment(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_snowboarder(x1))