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

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

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