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

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

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