Text: Building on the ancient cults and Vedic teachings of the Indo-Aryans dating from 1300 b.c. , Hinduism began to take its present form in the fourth century a.d. , under considerable pressure for a more  accessible  religion.
Entailment: Hinduism was built upon pre-existing teachings before it took its present form.
Contradiction: Hinduism was founded exactly five hundred years ago.