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

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

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