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

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

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