*SUPPORT*
IN: fep fep OUT: YELLOW YELLOW
IN: zup dax OUT: GREEN GREEN
IN: fep dax OUT: YELLOW YELLOW
IN: wif gazzer tufa dax OUT: BLUE PINK BLUE BLUE PINK BLUE
IN: zup OUT: GREEN
IN: wif fep OUT: BLUE YELLOW
IN: tufa fep gazzer zup OUT: PINK YELLOW GREEN PINK YELLOW
IN: zup gazzer tufa OUT: GREEN PINK GREEN
IN: fep wif dax OUT: YELLOW BLUE YELLOW BLUE
IN: fep dax kiki wif OUT: BLUE YELLOW YELLOW YELLOW YELLOW
IN: fep gazzer tufa gazzer fep OUT: YELLOW PINK YELLOW YELLOW YELLOW PINK YELLOW
IN: zup gazzer zup OUT: GREEN GREEN GREEN
IN: fep tufa OUT: YELLOW PINK
IN: wif kiki tufa OUT: PINK BLUE BLUE

*QUERY*
IN: wif OUT: BLUE
IN: zup gazzer wif OUT: GREEN BLUE GREEN
IN: zup tufa dax OUT: GREEN PINK GREEN PINK
IN: wif dax OUT: BLUE BLUE
IN: fep gazzer wif OUT: YELLOW BLUE YELLOW
IN: tufa kiki wif OUT: BLUE PINK PINK
IN: wif kiki zup OUT: GREEN BLUE BLUE
IN: fep OUT: YELLOW
IN: wif gazzer zup dax OUT: BLUE GREEN BLUE BLUE GREEN BLUE
IN: tufa OUT: PINK

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