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

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

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