Confused person standing in the middle of the trolley tracks trying to figure out the signs.
A man is lost
The person is not necessarily a man, nor is the person necessarily lost.
exists p1 s1 x1 x3 x4 x5.(n_sign(x5) & n_trolley(x4) & n_middle(x3) & a_topic(x1) & exists e1 p2 x2.(exists e2 p3.(Topic(e2,p3) & Actor(e2,x2) & v_try(e2) & exists e3 s2.(a_out(s2) & Manner(e3,s2) & Theme(e3,x5) & Actor(e3,x2) & v_figure(e3))) & Topic(e1,p2) & Actor(e1,x2) & v_track(e1) & in(x2,x3) & of(x3,x4) & n_standing(x2)) & that(x1,p1) & n_person(x1) & a_confused(s1) & Theme(s1,x1))
exists e1 x1.(Theme(e1,x1) & v_lose(e1) & n_man(x1))