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

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

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