“Black lives matter” is a sentence. Black Lives Matter is a political organization. The former is a construction of adjective, noun, and verb. The latter is an agenda driven uncompromisingly leftist entity that encourages and engages in street fighting, rioting, and mayhem. The sentence speaks a simple truth that all can agree with, while the political organization is, in its very roots, a vehicle for the espousal of hatred. The pastor is correct in instructing his lectors not to wear clothing that could cause division within his congregation.