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

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

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