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

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

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