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

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

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