With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Danish Girl is only based on a manga series.
text_B: Sinapinic acid , or sinapic acid -LRB- Sinapine - Origin  : L. Sinapi , sinapis , mustard , Gr. , cf. F. Sinapine . -RRB-. Sinapine. Sinapine. sinapic acid. sinapic acid. , is a small naturally occurring hydroxycinnamic acid .. hydroxycinnamic acid. hydroxycinnamic acid. It is a member of the phenylpropanoid family .. phenylpropanoid. phenylpropanoid. It is a commonly used matrix in MALDI mass spectrometry .. MALDI. Matrix-assisted laser desorption / ionization. mass spectrometry. mass spectrometry. It is a useful matrix for a wide variety of peptides and proteins .. It serves well as a matrix for MALDI due to its ability to absorb laser radiation and to also donate protons -LRB- H + -RRB- to the analyte of interest .. MALDI. Matrix-assisted laser desorption / ionization. laser. laser. Sinapic acid can form dimers with itself -LRB- one structure -RRB- and ferulic acid -LRB- three different structures -RRB- in cereal cell walls and therefore may have a similar influence on cell-wall structure to that of the diferulic acids .. ferulic acid. ferulic acid. diferulic acids. diferulic acids. Sinapine is an alkaloidal amine found in black mustard seeds .. Sinapine. Sinapine. It is considered a choline ester of sinapic acid .. choline. choline. sinapic acid. sinapic acid
not_related.