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

*QUERY*
IN: wif zup tufa gazzer zup OUT: RED BLUE BLUE GREEN GREEN
IN: tufa zup blicket tufa OUT: GREEN GREEN BLUE BLUE
IN: zup OUT: BLUE
IN: kiki tufa blicket zup OUT: PINK BLUE GREEN GREEN
IN: zup tufa gazzer zup OUT: BLUE BLUE GREEN GREEN
IN: wif gazzer wif OUT: RED RED RED
IN: tufa gazzer kiki OUT: PINK GREEN GREEN
IN: wif gazzer zup OUT: BLUE RED RED
IN: zup fep OUT: BLUE BLUE BLUE BLUE
IN: tufa blicket kiki OUT: PINK GREEN GREEN

*GRAMMAR*
wif -> RED 
 kiki -> PINK 
 zup -> BLUE 
 tufa -> GREEN 
 u1 gazzer u2 -> [u2] [u1] [u1] 
 u1 blicket u2 -> [u2] [u1] [u1] 
 x1 fep -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 