Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.223991094394
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A14PFRHG0A2YY9
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3PEMQP28HYGHU
darker: E (eq: True, dd: None), confidence: 2, worker: AU59W7RRG9LV
darker: E (eq: True, dd: None), confidence: 1, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3KUGXG2Y6X7BD
(0: guessing, 1: probably, 2: definitely)