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

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

*GRAMMAR*
wif -> RED 
 kiki -> PINK 
 zup -> PURPLE 
 fep -> GREEN 
 x1 gazzer u1 -> [x1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 dax u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 