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

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

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