*SUPPORT*
IN: zup OUT: GREEN
IN: zup tufa OUT: GREEN BLUE
IN: zup tufa tufa OUT: GREEN BLUE BLUE
IN: tufa wif OUT: BLUE PURPLE
IN: zup zup OUT: GREEN GREEN
IN: wif tufa OUT: PURPLE BLUE
IN: zup lug zup fep kiki OUT: GREEN GREEN GREEN GREEN RED GREEN RED GREEN
IN: wif kiki blicket wif OUT: PURPLE RED PURPLE PURPLE RED
IN: kiki wif OUT: RED PURPLE
IN: zup kiki zup lug kiki OUT: GREEN RED GREEN GREEN GREEN GREEN RED RED
IN: kiki OUT: RED
IN: wif wif fep zup OUT: GREEN PURPLE PURPLE
IN: wif blicket kiki OUT: PURPLE RED PURPLE
IN: kiki lug wif OUT: RED RED RED RED PURPLE PURPLE

*QUERY*
IN: kiki lug wif wif OUT: RED RED RED RED PURPLE PURPLE PURPLE PURPLE
IN: tufa OUT: BLUE
IN: tufa tufa lug kiki OUT: BLUE BLUE BLUE BLUE BLUE RED RED
IN: kiki lug kiki OUT: RED RED RED RED RED RED
IN: kiki lug tufa OUT: RED RED RED RED BLUE BLUE
IN: wif zup tufa OUT: PURPLE GREEN BLUE
IN: wif fep kiki OUT: RED PURPLE
IN: kiki tufa kiki fep kiki OUT: RED RED BLUE RED
IN: zup zup lug zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif OUT: PURPLE

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