Water spraying from a green truck is making a rainbow.
Water is flying through the air.
'Water is flying through the air' is an explanation of what happens when water is sprayed.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_make(e1) & n_rainbow(x4) & from(x1,x3) & n_truck(x3) & a_green(s1) & Theme(s1,x3) & n_spray(x1) & (x1 = x2) & ne_nam_water(x2))
exists e1 x1 x2.(n_air(x2) & ne_nam_water(x1) & through(e1,x2) & Actor(e1,x1) & v_fly(e1))