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

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

*GRAMMAR*
wif -> BLUE 
 dax -> PURPLE 
 lug -> GREEN 
 fep -> PINK 
 x1 blicket u1 -> [u1] [x1] 
 x1 kiki x2 -> [x2] [x1] [x1] [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 