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

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

*GRAMMAR*
gazzer -> RED 
 fep -> BLUE 
 wif -> YELLOW 
 kiki -> PURPLE 
 x1 zup x2 -> [x1] [x2] 
 x1 blicket u1 -> [x1] [u1] 
 x1 dax x2 -> [x2] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 