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

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

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