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

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

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