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

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

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