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

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

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