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

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

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