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

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

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