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

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

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