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

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

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