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

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

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