*SUPPORT*
IN: lug fep lug OUT: PURPLE PURPLE
IN: kiki fep lug gazzer lug OUT: PURPLE BLUE PURPLE
IN: kiki lug OUT: BLUE PURPLE
IN: lug zup fep lug gazzer wif OUT: PURPLE PURPLE PINK RED
IN: wif fep lug gazzer kiki gazzer zup OUT: PURPLE RED BLUE PINK
IN: kiki blicket OUT: BLUE BLUE
IN: kiki fep lug gazzer kiki blicket OUT: PURPLE BLUE BLUE PURPLE BLUE BLUE
IN: zup blicket blicket OUT: PINK PINK PINK PINK
IN: zup fep wif gazzer wif OUT: RED PINK RED
IN: lug OUT: PURPLE
IN: kiki OUT: BLUE
IN: zup blicket gazzer zup OUT: PINK PINK PINK
IN: zup fep lug OUT: PURPLE PINK
IN: kiki fep zup OUT: PINK BLUE

*QUERY*
IN: lug zup fep zup OUT: PURPLE PINK PINK
IN: lug blicket OUT: PURPLE PURPLE
IN: zup gazzer wif OUT: PINK RED
IN: kiki fep zup blicket gazzer zup OUT: PINK BLUE PINK BLUE PINK
IN: zup fep kiki OUT: BLUE PINK
IN: kiki fep kiki blicket blicket OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug kiki blicket OUT: PURPLE BLUE PURPLE BLUE
IN: wif fep zup gazzer lug gazzer zup OUT: PINK RED PURPLE PINK
IN: kiki gazzer lug OUT: BLUE PURPLE
IN: zup fep kiki gazzer wif OUT: BLUE PINK RED

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