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

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

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