A man looks straight ahead at night.
The man is focusing on something in front of him.
Straight ahead and in front are synonymous.
exists e1 p1 x1 x2.(at(e1,x2) & n_night(x2) & r_ahead(e1) & exists s1.(Theme(s1,x1) & a_straight(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_male(x1) & n_man(x1) & on(e1,x2) & in(x2,x3) & of(x3,x1) & n_front(x3) & n_thing(x2) & Actor(e1,x1) & v_focus(e1))