The statements s1 and s2 are given as:
s1: Context sensitive languages are closed under intersection, concatenation, substitution and inverse homomorphism.
s2: Context sensitive languages are closed under concatenation, substitution and homomorphism.
Which of the following is correct statement?
- Both s1 and s2 are correct
- s1 is correct s2 is not correct
- s1 is not correct s2 is correct
- Both s1 and s2 are not correct