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

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

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