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

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

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