An old man sits.
the man waits quietly
The man sits, but does not necessarily waits.
exists e1 s1 x1.(Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists x1 x2.(n_wait(x1) & of(x1,x2) & n_man(x2) & a_topic(x1) & r_quietly(x1))