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

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

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