What is printed by the following program segment if the value input into num is 2?

```
cin >> num;
switch (num)
{
case 0:
case 1:
cout << " Red";
case 2:
cout << " Blue";
case 3:
cout << " Green";
case 4:
cout << " Yellow";
default:
cout << " Invalid Input";
} // end switch
```
a. Red
b. Blue
c. Green
d. Yellow
e. Blue Green Yellow Invalid Input

e. Blue Green Yellow Invalid Input