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

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

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