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

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

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