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

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

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