Crowd waiting on Main Street subway platform for a train.
The crowd was waiting for the afternoon train.
The crowd might not be waiting for the afternoon train, it could be anytime
exists e1 x1 x2 x3 x4 x5 x6.(ne_nam_crowd(x1) & for(e1,x6) & n_train(x6) & on(e1,x2) & n_platform(x2) & of(x2,x5) & n_subway(x5) & (x2 = x4) & ne_nam_street(x4) & (x2 = x3) & ne_nam_main(x3) & Actor(e1,x1) & v_wait(e1))
exists e1 x1 x2 x3.(n_train(x2) & of(x2,x3) & n_afternoon(x3) & n_crowd(x1) & for(e1,x2) & Actor(e1,x1) & v_wait(e1))