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

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

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