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

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

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