Some people are waiting for a train to pull in, some people are leaving while most are staying.
The people are sunbathing on the beach.
Are they at the beach or waiting for the train
exists e1 e2 p1 p2 x1 x2 x3.(exists e4 x4.(Actor(e4,x4) & v_stay(e4) & n_most(x4)) & while(e2,p2) & Actor(e2,x3) & v_leave(e2) & n_people(x3) & for(e1,x2) & Topic(x2,p1) & exists e3 s1.(a_in(s1) & Manner(e3,s1) & Actor(e3,x2) & v_pull(e3)) & n_train(x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1))
exists e1 x1 x2.(n_beach(x2) & n_people(x1) & on(e1,x2) & Actor(e1,x1) & v_sunbathe(e1))