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

*QUERY*
IN: fep wif fep kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: fep blicket lug fep lug wif gazzer OUT: PINK PURPLE PINK PINK PURPLE PINK BLUE PURPLE
IN: fep OUT: PURPLE
IN: gazzer zup kiki OUT: BLUE RED BLUE RED
IN: gazzer lug zup wif zup OUT: BLUE PINK RED BLUE PINK RED RED
IN: fep zup OUT: PURPLE RED
IN: fep kiki OUT: PURPLE PURPLE
IN: fep lug OUT: PURPLE PINK
IN: lug wif lug OUT: PINK PINK PINK

*GRAMMAR*
zup -> RED 
 lug -> PINK 
 gazzer -> BLUE 
 fep -> PURPLE 
 x1 blicket x2 -> [x2] [x1] 
 x1 wif u1 -> [x1] [x1] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 