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

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

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