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

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

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