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

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

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