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

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

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