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

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

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