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

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

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