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

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

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