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

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

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