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

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

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