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

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

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