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

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

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