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

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

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