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

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

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