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

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

*GRAMMAR*
zup -> PINK 
 tufa -> BLUE 
 fep -> RED 
 dax -> GREEN 
 x1 gazzer -> [x1] [x1] [x1] 
 x1 wif x2 -> [x2] [x1] 
 u1 kiki x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 