With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Josh Homme had been involved with people.
text_B: Alberto de Jesus Mercado -LRB- born 1958 -RRB- , better known as Tito Kayak , is an activist from Jayuya , Puerto Rico , and founder of the Puerto Rican environmental group , Amig@s Del Mar. .. Puerto Rican. Puerto Rican people. Amig@s Del Mar. Amig@s Del Mar. The organization utilizes a dual approach , which they call `` manatiburon -LRB- manatee / shark -RRB- '' , which Kayak describes as a combination of `` peaceful and simple ways to fulfill our environmental ideals '' -LRB- like the manatee -RRB- , and the more `` revolutionary approach '' -LRB- like the shark -RRB- , which is `` only used when we are prohibited from working peacefully towards our goals of improving the environment . ''. Kayak is best known for his activism against the damaging environmental effect of the U.S. Navy presence on Vieques .. U.S. Navy presence on Vieques. United States Navy in Vieques, Puerto Rico#Protests against U.S. Navy
not_related.