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

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

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