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

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

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