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

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

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