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

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

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