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

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

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