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

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

*GRAMMAR*
lug -> YELLOW 
 wif -> BLUE 
 kiki -> RED 
 gazzer -> GREEN 
 x1 blicket -> [x1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 