With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Natalie Portman won a Golden Globe Award for her role in Black Swan.
text_B: Carbetocin -LRB- INN , BAN -RRB- -LRB- brand names Duratocin , Pabal , Lonactene , Depotocin , Comoton , Decomoton -RRB- , or 1-butanoic acid-2 - -LRB- O-methy-L-tyrosine -RRB- -1 - carbaoxytocin , is an oxytocic used in obstetrics to control postpartum hemorrhage and bleeding after giving birth , particularly following Cesarean section .. INN. International Nonproprietary Name. BAN. British Approved Name. oxytocic. oxytocic. postpartum hemorrhage. postpartum hemorrhage. bleeding. bleeding. giving birth. childbirth. It is an eight amino acid long analogue of oxytocin -LRB- a nonapeptide -RRB- and , in accordance , has a similar action .. amino acid. amino acid. analogue. analog ( chemistry ). oxytocin. oxytocin. nonapeptide. nonapeptide. Carbetocin primarily agonizes peripherally expressed oxytocin receptors .. oxytocin. oxytocin. agonizes. agonist. It is manufactured by Ferring Pharmaceuticals and is available in Canada and the United Kingdom and many other countries throughout the world , but notably not in the United States .. Ferring Pharmaceuticals. Ferring Pharmaceuticals. Canada. Canada. United Kingdom. United Kingdom. United States. United States
not_related.