var color = ["Blue ", "Green", "Red", "Orange", "Violet", "Indigo", "Yellow "];  
  
function Ordinal(n)  
 {  
 var o = ["th","st","nd","rd"],  
 x = n%100;  
 return x+(o[(x-20)%10]||o[x]||o[0]);  
 }  
  
for(n = 0; n < color.length; n++){  
 var ordinal = n + 1;  
  
 var output = (Ordinal(ordinal) + " choice is " + color[n] + ".");  
  
console.log(output);  
}