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

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

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