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

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

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