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

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

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