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

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

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