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

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

*GRAMMAR*
zup -> RED 
 lug -> PURPLE 
 wif -> PINK 
 tufa -> BLUE 
 u1 blicket x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 