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

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

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