A rainbow is formed from a tank spraying water on a street.
A rainbow is formed from a tank spraying water.
It does appear that a rainbow is formed from a tank spraying water since that is explicitly said in the previous sentence.
exists e1 e2 x1 x2 x3 x4 x5.(from(e1,x2) & on(e2,x5) & n_street(x5) & Theme(e2,x4) & Actor(e2,x3) & v_spray(e2) & n_water(x4) & (x2 = x3) & n_tank(x2) & Theme(e1,x1) & v_form(e1) & n_rainbow(x1))
exists e1 e2 x1 x2 x3 x4.(from(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_spray(e2) & n_water(x4) & (x2 = x3) & n_tank(x2) & Theme(e1,x1) & v_form(e1) & n_rainbow(x1))