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

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

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