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

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

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