Man watching child in hallway.
A man is babysitting his nephew.
Man watching child in hallway does not necessary that he is babysitting his nephew.
exists e1 x1 x2 x3.(in(e1,x3) & n_hallway(x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_child(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_babysit(e1) & n_nephew(x2) & of(x2,x1) & n_male(x1) & n_man(x1))