Complex sentence: There is some evidence that this came into force following a series of invasions by foreigners into the temple and surrounding area.Buddhist, Jain and Sikh groups are allowed into the temple compound if they are able to prove their Indian ancestry.
Split into simpler sentences: There is some evidence that this came into force following a series of invasions by foreigners into the temple and surrounding area. Some Buddhist, Jain and Sikh groups are allowed into the temple compound if they are able to prove their Indian ancestry.