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

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

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