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

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

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