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

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

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