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

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

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