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

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

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