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

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

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