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

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

*GRAMMAR*
zup -> PINK 
 wif -> GREEN 
 kiki -> YELLOW 
 tufa -> RED 
 u1 gazzer u2 -> [u1] [u2] 
 x1 blicket u1 -> [u1] [x1] 
 x1 dax x2 -> [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 