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

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

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