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

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

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