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

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

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