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

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

*GRAMMAR*
tufa -> PURPLE 
 kiki -> RED 
 dax -> GREEN 
 lug -> YELLOW 
 x1 gazzer u1 -> [u1] [x1] 
 u1 wif -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 