Readily apparent.
"World Religions for 500, Alex........"
"Which of the 4 largest religions on earth has grown almost exclusively by fire and sword and is sworn to the destruction of ALL who refuse to accept their 'faith', even plotting their violent deaths as they feign friendship?"
"Ummm.........er............gee, well, um.....................what is Hinduism????"
[insert obnoxious buzzer]
That give you a little hint?