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

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

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