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

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

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