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

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

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