Original sentence: A few Sikhs are strictly vegetarian, however, that is debated by Sikhs.ADVANCED STUDIES IN SIKHISM by Jasbir Singh and Harbans Singh.In 1675 Aurangzeb killed Guru Tegh Bahadur.Page 1289 Guru Granth Sahib.Sikhs do not have specific dietry rules regarding meat (meat eating or vegetarianism) provided it is not slaughtered in the Muslim fashion (Halal).The Gurus stated "fools argue over flesh and diet".This is confirmed by a Hukamnama by Guru Gobind Singh ji to his Sikhs in Kabul  (ref
Edited sentence: In 1675 Guru Tegh Bahadur, sacrificed his life to save Hindu religon.Sikhism doesn't encourage slaughtering animal to pleasure the taste buds