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

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

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