Every one walking on the grass has on blue jeans and are walking arm in arm.
Only two people on the grass are wearing pants
In some countries, pants are undergarments while jeans cover those undergarments.
exists x2 x5.(n_grass(x5) & n_grass(x2) & all x4.((n_walking(x4) & card_eq_1(x4)) -> exists e2 x6 x7.(in(e2,x7) & n_arm(x7) & Theme(e2,x6) & Actor(e2,x4) & v_walk(e2) & n_arm(x6) & on(x4,x5))) & all x1.((n_walking(x1) & card_eq_1(x1)) -> exists e1 s1 x3.(on(e1,x3) & n_jeans(x3) & a_blue(s1) & Theme(s1,x3) & Actor(e1,x1) & v_have(e1) & on(x1,x2))))
exists e1 x1 x2 x3.(n_grass(x2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_pants(x3) & on(x1,x2) & n_people(x1) & card_eq_2(x1) & r_only(x1))