Write CFG for the following (30 points) 1. char myLetter = 'D'; string myText = "Hello"; bool myBoolean = true; (70 points) 2. if(a== 100) { if(b == 200) { cout < < "Value of a is 100 and b is 200" < < endl; } } else cout < < "Value of a and b is unknown" < < endl;