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

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

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