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

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

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