With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Breaking Bad has a doctor called Gus Fring.
text_B: Malcolm Scott Carpenter -LRB- May 1 , 1925 -- October 10 , 2013 -RRB- , -LRB- Cmdr , USN -RRB- , was an American naval officer and aviator , test pilot , aeronautical engineer , astronaut , and aquanaut .. USN. United States Navy. test pilot. test pilot. aquanaut. aquanaut. Cmdr. Commander ( United States ). naval officer. United States Navy. aviator. United States naval aviator. aeronautical engineer. aeronautical engineer. astronaut. astronaut. He was one of the original seven astronauts selected for NASA 's Project Mercury in April 1959 .. NASA. NASA. original seven. Mercury Seven. Project Mercury. Project Mercury. Carpenter was the second American -LRB- after John Glenn -RRB- to orbit the Earth and the fourth American in space , following Alan Shepard , Gus Grissom , and Glenn .. John Glenn. John Glenn. orbit the Earth. Orbital spaceflight. space. Outer space. Alan Shepard. Alan Shepard. Gus Grissom. Gus Grissom
not_related.