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

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

*GRAMMAR*
wif -> YELLOW 
 fep -> GREEN 
 blicket -> RED 
 zup -> BLUE 
 x1 tufa -> [x1] [x1] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 