Translation of "ipi" into English

Kati ya dini hizo, ni ipi iliyokuwa shabaha hasa ya mashambulizi, na kwa nini?

Of these, which one became a chief focus of the attack, and why?

Ni ipi baadhi ya mifano ya kisasa ya kile baadhi ya vijana wanaweza kuwa na uharara wapate?

What are some modern examples of what some young people might be overzealous to attain?

“Mwalimu, katika torati ni amri ipi iliyo kuu?

“Master, which is the great commandment in the law?