With reference to the nature of religious practices in the Indus Valley Civilization, consider the following statements:

I. The absence of large temple complexes necessarily indicates that religion was absent from urban life.

II. The prevalence of terracotta figurines in domestic contexts has been used to argue for household-level ritual practices.

III. The Great Bath at Mohenjo-daro is interpreted by some scholars as indicating the presence of public ritual activity.

IV. The lack of deciphered religious texts limits definitive conclusions regarding institutionalized priesthood.

Which of the statements given above are correct?