Sentence Finder

Riddle: Solve this riddle and it will reveal a sentence, whether or not u know how to interpret the sentence is up to you. also if you see _ in the sentence that means take a space The 9th letter of the alphabet_the first letter of the animal you love most,find the missing letter ...riginal, the first letter of the word that is the opposite of yes, the letter that these words have in common; tall,talk ,tie_the fourth letter in the alphabet, first letter of the name of the female actress who played fiona in the movie THE GIVER_ if a=1 b=2 c=3 d=4 e=5 f=6 g=7 h=8 i=9 j=10 k=11 l=12 m=13 n=14 o=15 p=16 q=17 r=18 s=19 t=20 u=21 v=22 w=23 x=24 y=25 z=26 then find out this word 18,5,10,5,3,20,9,15,14. What was the sentence u got?