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

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

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