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

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

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