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

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

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