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

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

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