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

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

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