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

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

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