A trolley heading down the street
Trolley broke down
The trolley cannot head down the street when it is broken.
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & down(e1,x3) & Actor(e1,x2) & v_head(e1) & (x1 = x2) & n_trolley(x1))
exists e1 s1 x1.(ne_nam_trolley(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_break(e1))