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

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

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