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

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

*GRAMMAR*
fep -> PURPLE 
 tufa -> PINK 
 dax -> GREEN 
 wif -> BLUE 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 