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

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

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