A man walking while holding roses.
A MAN IS CARRYING FLOWERS.
Walking holding rose is a rephrasing of carrying flowers.
exists e2 e1 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_hold(e2) & n_rose(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & n_flower(x1) & (x1 = x4) & ne_nam_carrying(x4) & (x1 = x3) & ne_nam_is(x3) & (x1 = x2) & ne_nam_man(x2))