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

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

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