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

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

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