The people are eating by a teal colored wall.
They prefer to stand when eating.
Just because people are eating by a teal colored wall that does not mean they prefer to stand.
exists e1 s1 s2 x1 x2.(n_people(x1) & by(e1,x2) & n_wall(x2) & a_colored(s2) & Theme(s2,x2) & a_teal(s1) & Theme(s1,x2) & Actor(e1,x1) & v_eat(e1))
exists e1 p1 x1 x2 x3.(n_thing(x1) & a_topic(x1) & n_when(x1) & Time(x1,x3) & n_eating(x3) & Topic(e1,p1) & Actor(e1,x2) & v_prefer(e1) & exists e2.(Actor(e2,x2) & v_stand(e2)) & (x1 = x2))