Problem 5. Describe the following language in set notation (formally): (1) The language of all strings of 0,1 , that start with 1010. (2) The language of all strings of 0,1 , that end with 1010. (3) The language of all strings 0,1 , that start with a block of 1s and end with a block of 0s (4) The language of all strings 0,1 , that start with a block of 1s and end with a block of 0s of equal length. (5) The language of all strings 0,1 , of blocks of 0s with length 11 mod17