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

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

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