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

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

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