With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: One romance film is License to Wed.
text_B: Alpha II-spectrin , also known as Spectrin alpha chain , brain is a protein that in humans is encoded by the SPTAN1 gene .. protein. protein. gene. gene. Alpha II-spectrin is expressed in a variety of tissues , and is highly expressed in cardiac muscle at Z-disc structures , costameres and at the sarcolemma membrane .. cardiac muscle. cardiac muscle. Z-disc. sarcomere. sarcolemma. sarcolemma. Mutations in alpha II-spectrin have been associated with early infantile epileptic encephalopathy-5 , and alpha II-spectrin may be a valuable biomarker for Guillain -- Barre syndrome and infantile congenital heart disease .. early infantile epileptic encephalopathy-5. Ohtahara syndrome. congenital heart disease. congenital heart disease
not_related.