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

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

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