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

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

*GRAMMAR*
zup -> PURPLE 
 fep -> BLUE 
 wif -> PINK 
 tufa -> GREEN 
 x1 blicket u1 -> [x1] [u1] 
 x1 dax u1 -> [u1] [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 