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

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

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