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

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

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