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

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

*GRAMMAR*
wif -> BLUE 
 fep -> GREEN 
 gazzer -> RED 
 zup -> YELLOW 
 x1 lug -> [x1] [x1] [x1] [x1] [x1] 
 u1 blicket x1 -> [x1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 