Cut string inside " "

Suppose i have a

  string [] tag;

Lets say

 for tag[0] = {["I","am","fine","thank","you"]}
     tag[1] = {["hello","world"]}

how can i get all string out from the above string?? i wanna get "I" , "hello" individually

also as a newbie, wanna know how can i display "
when i type " " " error appears

via Chebli Mohamed