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

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

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