Several people are looking up at a man on a telephone pole.
Several people are looking down at their Iphones.
In the first sentence the people are looking up at a man while the second sentence says that they are looking down at their phones. Regardless of what they are looking at up somewhere or down somewhere, they cannot be looking up and down at the same time therefore, the people either look up or they look down.
exists e1 s1 s2 x1 x2 x3 x4.(a_up(s2) & Manner(e1,s2) & at(e1,x2) & on(x2,x3) & n_pole(x3) & of(x3,x4) & n_telephone(x4) & n_man(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & at(e1,x2) & n_iphone(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_look(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))