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

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

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