*SUPPORT*
IN: kiki fep kiki OUT: GREEN GREEN
IN: gazzer OUT: BLUE
IN: wif fep zup OUT: PINK PURPLE
IN: wif zup OUT: PINK PURPLE
IN: wif OUT: PINK
IN: zup wif fep kiki OUT: PURPLE PINK GREEN
IN: wif gazzer gazzer gazzer OUT: PINK BLUE BLUE BLUE
IN: wif blicket zup OUT: PURPLE PINK PURPLE PINK
IN: zup fep zup blicket gazzer OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: gazzer kiki OUT: BLUE GREEN
IN: kiki fep gazzer OUT: GREEN BLUE
IN: kiki fep wif OUT: GREEN PINK
IN: wif blicket wif OUT: PINK PINK PINK PINK
IN: wif fep gazzer OUT: PINK BLUE

*QUERY*
IN: zup OUT: PURPLE
IN: kiki zup OUT: GREEN PURPLE
IN: zup gazzer fep kiki OUT: PURPLE BLUE GREEN
IN: gazzer fep wif OUT: BLUE PINK
IN: gazzer zup wif kiki OUT: BLUE PURPLE PINK GREEN
IN: gazzer tufa kiki blicket gazzer OUT: BLUE BLUE BLUE GREEN BLUE GREEN
IN: wif fep wif tufa kiki OUT: PINK PINK PINK PINK GREEN
IN: kiki OUT: GREEN
IN: kiki blicket gazzer OUT: BLUE GREEN BLUE GREEN
IN: zup fep wif blicket kiki OUT: GREEN PURPLE PINK GREEN PURPLE PINK

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