White bird walking across wet sand.
The bird was swept away buy the tide.
walking is different from swept away by tide.
exists s1 x1 x2 x3 x4.(a_topic(x1) & across(x1,x4) & n_sand(x4) & a_wet(s1) & Theme(s1,x4) & n_walking(x1) & of(x1,x3) & n_bird(x3) & (x1 = x2) & ne_org_white(x2))
exists e1 e2 s1 x1 x2 x3.(n_tide(x3) & n_bird(x1) & Theme(e2,x3) & Actor(e2,x1) & v_buy(e2) & a_away(s1) & Manner(e1,s1) & Theme(e1,x2) & v_sweep(e1) & (x1 = x2))