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

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

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