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

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

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