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

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

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