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

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

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