Which one of the following regular expression correctly represents the language of the finite automata given below?

[GATE 2022|| MCQ|| 1-mark]
ab*bab*+ba*aba*
(ab*b)*ab* + (ba*a)* ba*
(ab*b+ba*a)(a*+b*)
(ba*a+ab*b)*(ab*+ba*)
This question is part of this quiz :
GATE||Regular Language and Finite Automata|| Pyq (2010 to2025),GATE||TOC || Pyq (2010 to2025)