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

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

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