Three people are cooking outside using Two gas grills.
Two people are sharing a gas grill outdoors.
Just because the number of people out numbers the number of grills does not mean that the people are sharing.
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_use(e2) & n_grill(x2) & of(x2,x3) & n_gas(x3) & card_eq_2(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_cook(e1) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_outdoors(x2) & of(x2,x4) & n_grill(x4) & of(x2,x3) & n_gas(x3) & n_people(x1) & card_eq_2(x1))