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

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

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