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

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

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