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

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

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