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

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

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