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

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

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