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

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

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