Create DFAs using JFLAP that accept the following languages.

a. The language over = {a} of any odd number of as.

b. The language over = {a, b} of any even number of as and any odd number of bs.

c. The language over = {a, b} of any even number of as and at least three bs.

d. The language over = {a, b} where the number of as and bs are either both even or both odd.