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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> BLUE 
 blicket -> PURPLE 
 dax -> RED 
 x1 tufa x2 -> [x2] [x2] [x2] [x1] 
 x1 fep x2 -> [x1] [x2] [x2] [x2] 
 u1 wif u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 