*SUPPORT*
IN: lug dax OUT: GREEN RED
IN: lug kiki dax tufa lug tufa dax OUT: GREEN PURPLE RED GREEN RED
IN: kiki wif OUT: PURPLE YELLOW
IN: lug wif wif tufa lug OUT: GREEN YELLOW YELLOW GREEN
IN: wif tufa kiki OUT: YELLOW PURPLE
IN: kiki OUT: PURPLE
IN: dax OUT: RED
IN: wif blicket dax OUT: RED YELLOW YELLOW
IN: dax tufa dax tufa kiki OUT: RED RED PURPLE
IN: wif kiki gazzer dax tufa kiki tufa dax OUT: YELLOW PURPLE RED PURPLE RED
IN: kiki tufa dax OUT: PURPLE RED
IN: wif tufa dax tufa kiki OUT: YELLOW RED PURPLE
IN: wif OUT: YELLOW
IN: kiki tufa lug OUT: PURPLE GREEN

*QUERY*
IN: wif wif dax OUT: YELLOW YELLOW RED
IN: wif tufa lug OUT: YELLOW GREEN
IN: wif wif OUT: YELLOW YELLOW
IN: wif kiki gazzer dax blicket wif OUT: YELLOW PURPLE YELLOW RED RED
IN: wif blicket wif OUT: YELLOW YELLOW YELLOW
IN: wif tufa lug blicket kiki OUT: PURPLE YELLOW GREEN YELLOW GREEN
IN: wif lug OUT: YELLOW GREEN
IN: dax wif blicket wif tufa lug tufa kiki OUT: YELLOW RED YELLOW RED YELLOW GREEN PURPLE
IN: dax tufa kiki OUT: RED PURPLE
IN: lug OUT: GREEN

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