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

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

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