A man in a white shirt is sitting on a curb and reading a newspaper.
The man is waiting on the bus.
Siting on a curb and reading a newspaper does not imply waiting on the bus.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x6) & Actor(e2,x4) & v_read(e2) & n_newspaper(x6) & in(x4,x5) & n_shirt(x5) & a_white(s2) & Theme(s2,x5) & n_man(x4) & on(e1,x3) & n_curb(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_bus(x2) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_wait(e1))