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

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

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