With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ruth Negga has acted in a movie.
text_B: The Moon System of Embossed Reading -LRB- commonly known as the Moon writing , Moon alphabet , Moon script , Moon type , or Moon code -RRB- is a writing system for the blind , using embossed symbols mostly derived from the Latin script -LRB- but simplified -RRB- .. writing system. writing system. blind. blindness. Latin script. Latin script. It is claimed by its supporters to be easier to understand than Braille , though it is mainly used by people who have lost their sight as adults , and thus already have knowledge of the shapes of letters .. Braille. Braille
not_related.