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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> RED 
 zup -> PINK 
 lug -> BLUE 
 x1 gazzer u1 -> [u1] [x1] 
 x1 blicket u1 -> [u1] [x1] 
 x1 dax x2 -> [x1] [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 