With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Farrah Fawcett was in Sunburn.
text_B: Electroluminescent Displays -LRB- ELDs -RRB- are a type of Flat panel display created by sandwiching a layer of electroluminescent material such as GaAs between two layers of conductors .. Flat panel display. Flat panel display. GaAs. GaAs. When current flows , the layer of material emits radiation in the form of visible light .. Electroluminescence -LRB- EL -RRB- is an optical and electrical phenomenon where a material emits light in response to an electric current passed through it , or to a strong electric field .. Electroluminescence. Electroluminescence
not_related.