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

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

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