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

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

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