The grounds for decree for dissolution of marriage under Section 2 of the Dissolution of Muslim Marriages Act, 1939 are that the:
I. whereabouts of the husband have not been known for a period of two years.
II. husband has been sentenced to imprisonment for a period of five years.
III. husband has failed to perform, without reasonable cause, his marital obligations for a period of two years.
IV. husband has neglected or has failed to provide for maintenance of his wife for a period of one year.
Select the correct answer.