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

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

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