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

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

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