A man waits at a crosswalk holding a motorbike helmet.
A man waits at a crosswalk.
When A man waits at a crosswalk then A man waits at a crosswalk.
exists e2 e1 x1 x2 x3 x4 x5.(at(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_helmet(x4) & of(x4,x5) & n_motorbike(x5) & (x2 = x3) & n_crosswalk(x2) & Actor(e1,x1) & v_wait(e1) & n_man(x1))
exists e1 x1 x2.(at(e1,x2) & n_crosswalk(x2) & Actor(e1,x1) & v_wait(e1) & n_man(x1))