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

*QUERY*
IN: gazzer lug blicket gazzer OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: kiki tufa OUT: GREEN BLUE
IN: gazzer gazzer blicket wif lug OUT: YELLOW YELLOW YELLOW YELLOW RED RED
IN: tufa gazzer OUT: BLUE YELLOW
IN: gazzer fep wif OUT: YELLOW RED
IN: gazzer OUT: YELLOW
IN: wif fep kiki OUT: RED GREEN
IN: kiki kiki kiki blicket wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN RED
IN: wif OUT: RED
IN: wif lug OUT: RED RED

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