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

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

*GRAMMAR*
fep -> PINK 
 tufa -> PURPLE 
 gazzer -> BLUE 
 zup -> RED 
 u1 wif x1 -> [u1] [x1] 
 u1 dax -> [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 