###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12819401: leaf (Q12819401) : main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalk : ( delete | history | links | entity usage | logs ) Merged with Q33971 . Olaf Studt ( talk ) 16:05, 10 July 2014 (UTC)