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

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

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