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

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

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