People ride two camels at the beach.
Two people ride camels in a mall.
There wouldn't be a beach in a mall.
exists e1 x1 x2 x3.(n_beach(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_camel(x2) & card_eq_2(x2) & n_people(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_mall(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_camel(x2) & n_people(x1) & card_eq_2(x1))