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

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

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