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

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

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