A man on a red bicycle that is dragging a wagon behind it.
a man dragging a wagon while riding a bicycle
A man dragging a wagon while riding a bicycle is a rephrasing of a man on a bicycle dragging a wagon behind it.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & behind(e1,x1) & n_thing(x1) & Theme(e1,x4) & Actor(e1,x3) & v_drag(e1) & n_wagon(x4) & (x2 = x3) & n_bicycle(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e2 e1 x1 x2 x3 x4.(a_topic(x1) & while(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_ride(e2) & n_bicycle(x4) & Theme(e1,x3) & Actor(e1,x2) & v_drag(e1) & n_wagon(x3) & (x1 = x2) & n_man(x1))