Two people grocery shopping at Walmart.
The couple is shopping for their dinner.
Two people grocery shopping doesn't imply they are shopping for their dinner.
exists x1 x2.(ne_geo_walmart(x2) & a_topic(x1) & n_grocery(x1) & n_shopping(x1) & at(x1,x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_dinner(x2) & of(x2,x1) & n_thing(x1) & n_couple(x1) & for(e1,x2) & Actor(e1,x1) & v_shop(e1))