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

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

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