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

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

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