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

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

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