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

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

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