*SUPPORT*
IN: tufa tufa OUT: PINK PINK
IN: tufa gazzer dax OUT: PURPLE PINK PINK
IN: dax wif fep OUT: PURPLE BLUE BLUE BLUE
IN: tufa blicket wif OUT: BLUE PINK
IN: tufa fep OUT: PINK PINK PINK
IN: lug OUT: GREEN
IN: lug wif lug gazzer tufa OUT: GREEN BLUE PINK GREEN GREEN
IN: wif OUT: BLUE
IN: lug blicket lug wif blicket wif OUT: GREEN BLUE BLUE GREEN
IN: dax gazzer wif OUT: BLUE PURPLE PURPLE
IN: dax fep OUT: PURPLE PURPLE PURPLE
IN: wif blicket tufa gazzer wif OUT: BLUE PINK PINK BLUE
IN: lug wif fep OUT: GREEN BLUE BLUE BLUE
IN: tufa tufa gazzer dax OUT: PINK PURPLE PINK PINK

*QUERY*
IN: lug gazzer wif OUT: BLUE GREEN GREEN
IN: wif fep OUT: BLUE BLUE BLUE
IN: dax dax gazzer dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax gazzer tufa OUT: PINK PURPLE PURPLE
IN: dax blicket dax gazzer dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: tufa gazzer lug OUT: GREEN PINK PINK
IN: dax blicket wif blicket wif gazzer dax OUT: PURPLE BLUE BLUE BLUE PURPLE
IN: lug fep OUT: GREEN GREEN GREEN
IN: wif tufa fep OUT: BLUE PINK PINK PINK

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