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

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

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