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

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

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