i am getting confused , how to do this task

> 
> Imagine you have a movie collection, and you want to write code that
>  returns your review for each one. Here are the movies and your
>  reviews:
> 
> 
> 
> ```
> "Toy Story 2" - "Great story. Mean prospector."
> "Finding Nemo" - "Cool animation, and funny turtles."
> "The Lion King" - "Great songs."
> 
> ```
> 
> Write a function named getReview that takes in a movie name and
>  returns its review based on the information above. If given a movie
>  name not found just return "I don't know!". Use a structure learned in
>  an earlier lesson (NOT if/else statements) to write this function.
> 
> 
> 

```
var getReview = function (movie) {
    var a = ["Toy Story 2","Finding Nemo","The Lion King"]
    for(a[0]="Toy Story 2"){console.log("Great story. Mean prospector.")}
    for(a[0]="Finding Nemo"){console.log("Cool animation, and funny turtles.")}
    for(a[0]="The Lion King" ){console.log( "Great songs.")}
    };

```

some sugguest the rightway to doit.