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

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

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