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

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

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