*SUPPORT*
IN: kiki dax OUT: YELLOW RED
IN: tufa zup kiki fep kiki OUT: YELLOW PINK YELLOW
IN: wif zup kiki fep dax OUT: RED PURPLE YELLOW
IN: dax fep dax OUT: RED RED
IN: kiki tufa zup tufa lug wif OUT: PURPLE YELLOW PINK PINK
IN: tufa OUT: PINK
IN: dax OUT: RED
IN: tufa zup wif OUT: PINK PURPLE
IN: wif OUT: PURPLE
IN: wif zup dax OUT: PURPLE RED
IN: wif fep tufa OUT: PINK PURPLE
IN: tufa wif OUT: PINK PURPLE
IN: tufa kiki zup dax OUT: PINK YELLOW RED
IN: tufa dax tufa kiki lug dax fep wif OUT: PURPLE RED PINK RED PINK YELLOW

*QUERY*
IN: wif zup wif OUT: PURPLE PURPLE
IN: tufa fep kiki OUT: YELLOW PINK
IN: kiki zup kiki OUT: YELLOW YELLOW
IN: kiki zup wif OUT: YELLOW PURPLE
IN: tufa kiki fep kiki lug tufa OUT: PINK YELLOW PINK YELLOW
IN: tufa zup tufa OUT: PINK PINK
IN: kiki zup tufa OUT: YELLOW PINK
IN: kiki OUT: YELLOW
IN: wif lug wif zup dax fep wif OUT: PURPLE PURPLE RED PURPLE
IN: dax fep tufa fep dax OUT: RED PINK RED

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