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

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

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