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

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

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