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

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

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