*SUPPORT*
IN: wif lug tufa OUT: GREEN YELLOW
IN: wif gazzer gazzer OUT: GREEN PURPLE PURPLE
IN: kiki OUT: RED
IN: kiki dax fep kiki OUT: RED RED RED
IN: gazzer OUT: PURPLE
IN: kiki lug wif OUT: RED GREEN
IN: kiki tufa lug wif lug kiki OUT: RED YELLOW GREEN RED
IN: tufa lug kiki lug wif lug tufa OUT: YELLOW RED GREEN YELLOW
IN: wif dax dax lug wif OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif lug gazzer OUT: GREEN PURPLE
IN: gazzer tufa OUT: PURPLE YELLOW
IN: gazzer kiki kiki dax fep wif kiki OUT: PURPLE RED RED PURPLE RED RED GREEN RED
IN: wif lug kiki lug tufa lug tufa OUT: GREEN RED YELLOW YELLOW
IN: wif dax OUT: GREEN GREEN

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

*GRAMMAR*
kiki -> RED 
 tufa -> YELLOW 
 wif -> GREEN 
 gazzer -> PURPLE 
 x1 lug u1 -> [x1] [u1] 
 x1 dax -> [x1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 