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

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

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