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

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

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