*SUPPORT*
IN: gazzer fep OUT: RED RED
IN: tufa gazzer OUT: PURPLE RED
IN: gazzer OUT: RED
IN: tufa OUT: PURPLE
IN: zup wif gazzer OUT: YELLOW RED
IN: tufa wif kiki OUT: PURPLE BLUE
IN: kiki wif zup OUT: BLUE YELLOW
IN: gazzer wif tufa OUT: RED PURPLE
IN: tufa fep OUT: PURPLE PURPLE
IN: tufa tufa blicket kiki OUT: PURPLE BLUE PURPLE
IN: zup blicket kiki OUT: BLUE YELLOW
IN: kiki OUT: BLUE
IN: tufa blicket gazzer OUT: RED PURPLE
IN: kiki wif kiki OUT: BLUE BLUE

*QUERY*
IN: zup OUT: YELLOW
IN: tufa blicket kiki OUT: BLUE PURPLE
IN: kiki fep OUT: BLUE BLUE
IN: zup wif kiki OUT: YELLOW BLUE
IN: kiki wif gazzer OUT: BLUE RED
IN: kiki blicket gazzer OUT: RED BLUE
IN: zup blicket zup OUT: YELLOW YELLOW
IN: kiki kiki tufa wif gazzer OUT: BLUE BLUE PURPLE RED
IN: tufa blicket tufa OUT: PURPLE PURPLE
IN: gazzer gazzer OUT: RED RED

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