*SUPPORT*
IN: lug gazzer wif OUT: RED GREEN
IN: wif gazzer blicket dax blicket OUT: BLUE GREEN BLUE
IN: kiki gazzer lug OUT: PINK RED
IN: lug dax wif OUT: GREEN RED
IN: blicket blicket wif tufa kiki OUT: BLUE BLUE PINK GREEN PINK
IN: lug gazzer lug dax lug OUT: RED RED RED
IN: kiki tufa kiki OUT: PINK PINK PINK
IN: blicket blicket tufa blicket OUT: BLUE BLUE BLUE BLUE
IN: blicket OUT: BLUE
IN: blicket wif gazzer lug OUT: BLUE GREEN RED
IN: wif lug dax lug OUT: RED GREEN RED
IN: wif OUT: GREEN
IN: wif gazzer wif OUT: GREEN GREEN
IN: wif tufa lug OUT: RED GREEN RED

*QUERY*
IN: lug gazzer kiki dax kiki OUT: PINK RED PINK
IN: wif dax kiki OUT: PINK GREEN
IN: kiki OUT: PINK
IN: lug OUT: RED
IN: kiki wif OUT: PINK GREEN
IN: kiki gazzer blicket OUT: PINK BLUE
IN: kiki tufa wif OUT: GREEN PINK GREEN
IN: wif gazzer blicket OUT: GREEN BLUE
IN: blicket tufa lug OUT: RED BLUE RED
IN: lug tufa wif OUT: GREEN RED GREEN

*GRAMMAR*
lug -> RED 
 kiki -> PINK 
 wif -> GREEN 
 blicket -> BLUE 
 u1 tufa u2 -> [u2] [u1] [u2] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 