*SUPPORT*
IN: wif tufa blicket gazzer OUT: GREEN BLUE RED BLUE BLUE
IN: wif wif blicket gazzer OUT: GREEN BLUE GREEN BLUE BLUE
IN: wif OUT: GREEN
IN: zup dax gazzer dax gazzer OUT: BLUE BLUE YELLOW BLUE BLUE
IN: tufa blicket zup OUT: YELLOW RED YELLOW YELLOW
IN: gazzer wif wif blicket tufa OUT: BLUE GREEN RED GREEN RED RED
IN: gazzer tufa OUT: BLUE RED
IN: zup wif OUT: YELLOW GREEN
IN: zup tufa blicket zup OUT: YELLOW YELLOW RED YELLOW YELLOW
IN: tufa blicket wif OUT: GREEN RED GREEN GREEN
IN: zup dax gazzer tufa OUT: BLUE RED YELLOW BLUE RED
IN: tufa OUT: RED
IN: gazzer OUT: BLUE
IN: tufa blicket gazzer OUT: BLUE RED BLUE BLUE

*QUERY*
IN: wif wif tufa wif blicket wif OUT: GREEN GREEN RED GREEN GREEN GREEN GREEN
IN: gazzer wif OUT: BLUE GREEN
IN: wif wif blicket tufa dax zup OUT: YELLOW GREEN RED GREEN RED RED YELLOW
IN: wif zup gazzer gazzer blicket tufa OUT: GREEN YELLOW BLUE RED BLUE RED RED
IN: wif blicket zup OUT: YELLOW GREEN YELLOW YELLOW
IN: wif blicket wif OUT: GREEN GREEN GREEN GREEN
IN: gazzer zup blicket gazzer OUT: BLUE BLUE YELLOW BLUE BLUE
IN: gazzer lug dax wif OUT: GREEN BLUE BLUE BLUE BLUE GREEN
IN: gazzer blicket wif OUT: GREEN BLUE GREEN GREEN
IN: zup blicket tufa OUT: RED YELLOW RED RED

*GRAMMAR*
gazzer -> BLUE 
 wif -> GREEN 
 zup -> YELLOW 
 tufa -> RED 
 x1 lug -> [x1] [x1] [x1] [x1] 
 x1 dax x2 -> [x2] [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 