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

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

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