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

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

*GRAMMAR*
gazzer -> RED 
 wif -> PURPLE 
 blicket -> YELLOW 
 kiki -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 u1 zup x1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 