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

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

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