*SUPPORT*
IN: kiki fep OUT: RED RED
IN: wif lug wif dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif OUT: GREEN
IN: zup tufa lug kiki OUT: PURPLE PINK RED
IN: wif dax OUT: GREEN GREEN GREEN GREEN
IN: wif fep dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif lug kiki dax OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: tufa lug zup OUT: PINK PURPLE
IN: zup lug wif OUT: PURPLE GREEN
IN: kiki kiki lug tufa OUT: RED RED PINK
IN: zup OUT: PURPLE
IN: wif fep OUT: GREEN GREEN
IN: wif lug zup dax OUT: GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE
IN: kiki wif dax OUT: RED GREEN RED GREEN RED GREEN RED GREEN

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

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