With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Keanu Reeves has a price on the Hollywood Walk of Fame.
text_B: 3,4-Methylenedioxy-N-hydroxyamphetamine -LRB- MDOH , MDH , N-hydroxytenamphetamine -RRB- is an entactogen , psychedelic , and stimulant of the phenethylamine and amphetamine chemical classes .. entactogen. entactogen. psychedelic. psychedelic drug. stimulant. stimulant. phenethylamine. substituted phenethylamine. amphetamine. substituted amphetamine. It is the N-hydroxy homologue of MDA , and the N-desmethyl homologue of MDHMA .. hydroxy. hydroxyl. homologue. homology ( chemistry ). MDA. 3,4-Methylenedioxyamphetamine. desmethyl. desmethyl. MDHMA. methylenedioxyhydroxymethamphetamine. MDOH was first synthesized and assayed by Alexander Shulgin .. synthesized. Organic synthesis. Alexander Shulgin. Alexander Shulgin. In his book PiHKAL -LRB- Phenethylamines i Have Known And Loved -RRB- , Shulgin listed the dosage range as 100 -- 160 mg , and the duration as approximately 3 -- 6 hours .. PiHKAL. PiHKAL. He describes MDOH as being very psychedelic and producing increased pleasure in beauty and nature .. psychedelic. psychedelic drug. He also mentioned several negative side effects also seen with MDMA -LRB- `` Ecstasy '' -RRB- such as difficulty urinating and internal dryness .. MDMA. MDMA
not_related.