One couple is kissing against a wall while another looks on from atop the wall.
there are people outside having a picnic and others are joining them
Just because a couple is kissing against a wall while another looks on does not mean there are people outside having a picnic and others are joining them.
exists e1 p1 x1 x2.(exists e2 x3.(r_on(e2) & from(e2,x2) & r_atop(x2) & Actor(e2,x3) & v_look(e2) & n_thing(x3)) & n_wall(x2) & n_wall(x2) & while(e1,p1) & against(e1,x2) & Actor(e1,x1) & v_kiss(e1) & n_couple(x1) & card_eq_1(x1))
exists e2 e1 p1 s1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x3) & v_join(e2) & n_thing(x2) & -(x3 = x2) & n_person(x2) & n_person(x3) & for(p1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_picnic(x2) & a_outside(s1) & Manner(p1,s1) & exists x4.((x1 = x4) & n_people(x4)))