With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marilyn Monroe was a star.
text_B: Carbohydrate -- protein interactions form the basis of specific recognition of carbohydrates by lectins .. Carbohydrates are important biopolymers and have a variety of functions .. Carbohydrates. Carbohydrates. biopolymers. biopolymers. Often carbohydrates serve a function as a recognition element .. That is , they are specifically recognized by other biomolecules .. Proteins which bind carbohydrate structures are known as lectins .. Compared to the study of protein -- protein and protein -- DNA interaction , it is the recent even those scientists get to know the protein -- carbohydrate binding .. Many of these interactions involved carbohydrates found at the cell surface , as part of a membrane glycoprotein or glycolipid .. glycoprotein. glycoprotein. glycolipid. glycolipid. These interactions can play a role in cellular adhesion and other cellular recognition events .
not_related.