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

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

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