A bald man walks amidst a group of pigeons.
A bald man walks past an eagle.
The bald man can either be walking past pigeons or eagles.
exists e1 p1 s1 x1.(exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_amidst(e2) & of(x2,x3) & n_pigeon(x3) & n_group(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & a_bald(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(past(e1,x2) & n_eagle(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & a_bald(s1) & Theme(s1,x1))