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

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

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