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

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

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