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

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

*GRAMMAR*
tufa -> YELLOW 
 wif -> PINK 
 kiki -> RED 
 lug -> GREEN 
 u1 gazzer u2 -> [u1] [u2] 
 x1 dax -> [x1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 