Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.897306332706
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1YQ4Z1018RM1R
darker: E (eq: True, dd: None), confidence: 2, worker: A251KVXCS8E3C
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: AKG5TLUQ2WWED
(0: guessing, 1: probably, 2: definitely)