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

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

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