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

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

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