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

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

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