Two people sit on a brick wall and talk.
People standing on a wall and shouting profanity.
Sit and standing are mutually exclusive activities. To talk is typically used to refer to calmer dialog than the phrase 'shouting profanity'.
exists e1 x1 x2 x3 x4 x5.(on(e1,x2) & n_talk(x4) & n_wall(x3) & of(x3,x5) & n_brick(x5) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x3) & n_profanity(x5) & of(x5,x6) & n_shouting(x6) & n_wall(x4) & subset_of(x5,x3) & subset_of(x4,x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))