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

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

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