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

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

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