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

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

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