A large crowd of people walk, casually, across an elevated road or bridge.
A group of people are moving outside.
Walking across a road or bridge generally involves moving around outside.
exists e1 s1 s2 s3 x1 x2 x3.(across(e1,x3) & (n_road(x3) | n_bridge(x3)) & a_elevated(s3) & Theme(s3,x3) & a_casually(s2) & Manner(e1,s2) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1) & a_large(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_move(e1) & of(x1,x2) & n_people(x2) & n_group(x1))