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

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

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