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

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

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