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

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

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