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

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

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