Two people buying a child up to his neck in sand at the beach.
some people are playing outdoors
Some people is another way of saying more than one, so two people. And being at a beach implies you are outdoors.
exists e1 x1 x2 x3 x4 x5 x6.(n_beach(x6) & a_topic(x1) & at(e1,x6) & in(e1,x5) & n_sand(x5) & to(e1,x4) & n_neck(x4) & of(x4,x3) & n_male(x3) & r_up(e1) & Theme(e1,x3) & Actor(e1,x2) & v_buy(e1) & n_child(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outdoors(x2) & n_people(x1))