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

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

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