With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ellen DeGeneres is a person who acts.
text_B: Protoporphyrinogen IX dehydrogenase -LRB- menaquinone -RRB- -LRB- , HemG -RRB- is an enzyme with systematic name protoporphyrinogen IX  : menaquinone oxidoreductase .. menaquinone. menaquinone. enzyme. enzyme. systematic name. List of enzymes. protoporphyrinogen IX. protoporphyrinogen IX. This enzyme catalyses the following chemical reaction. enzyme. enzyme. catalyses. catalysis. chemical reaction. chemical reaction. protoporphyrinogen IX + 3 menaquinone protoporphyrin IX + 3 menaquinol. menaquinone. menaquinone. protoporphyrinogen IX. protoporphyrinogen IX. protoporphyrin IX. protoporphyrin IX. menaquinol. menaquinol. This enzyme enables Escherichia coli to synthesize heme in both aerobic and anaerobic environments .. enzyme. enzyme. Escherichia coli. Escherichia coli. heme. heme. aerobic. Aerobic organism. anaerobic. Anaerobic organism
not_related.