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

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

*GRAMMAR*
fep -> BLUE 
 zup -> GREEN 
 wif -> RED 
 gazzer -> PINK 
 x1 tufa x2 -> [x1] [x2] 
 u1 kiki x1 -> [x1] [u1] [x1] [u1] [x1] [u1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 