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

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

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