A man sits on the sidewalk reading while wearing brown loafers.
a man enjoying the outdoors
A man reading outdoors does not indicate whether he is enjoying the outdoors or not.
exists e2 e1 s1 x1 x2 x3 x4.(n_reading(x2) & of(x2,x3) & n_sidewalk(x3) & while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_wear(e2) & n_loafer(x4) & a_brown(s1) & Theme(s1,x4) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_outdoors(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & (x1 = x2) & n_man(x1))