A man in a blue jacket walking past a man with a blue and white umbrella.
The man in the blue jacket said hello to the man with the blue and white umbrella as he walked by.
The man in the blue jacket doesn't have to say hello to the other man just because he walked by.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & past(e1,x4) & with(x4,x5) & n_umbrella(x5) & a_white(s3) & Theme(s3,x5) & a_blue(s2) & Theme(s2,x5) & n_man(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_jacket(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(n_male(x1) & n_umbrella(x4) & a_white(s3) & Theme(s3,x4) & a_blue(s2) & Theme(s2,x4) & n_man(x1) & n_man(x1) & n_jacket(x2) & a_blue(s1) & Theme(s1,x2) & Theme(e1,x3) & Actor(e1,x1) & v_say(e1) & to(x3,x1) & with(x1,x4) & exists e2 s4.(a_by(s4) & Manner(e2,s4) & Actor(e2,x1) & v_walk(e2)) & as(x4,p1) & n_hello(x3) & in(x1,x2))