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

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

*GRAMMAR*
lug -> RED 
 dax -> GREEN 
 kiki -> PINK 
 wif -> YELLOW 
 u1 gazzer -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 