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

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

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