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

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

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