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

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

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