*SUPPORT*
IN: lug dax fep dax fep lug fep dax OUT: RED BLUE BLUE RED BLUE
IN: wif lug OUT: YELLOW RED
IN: lug zup tufa fep tufa fep wif OUT: RED PINK PINK YELLOW
IN: tufa fep lug OUT: PINK RED
IN: tufa fep dax zup lug OUT: PINK BLUE RED
IN: lug fep dax zup lug OUT: RED BLUE RED
IN: dax tufa OUT: BLUE PINK
IN: dax kiki lug fep tufa OUT: RED PINK BLUE
IN: tufa fep tufa wif kiki lug wif OUT: PINK PINK RED YELLOW YELLOW
IN: tufa kiki tufa lug OUT: PINK RED PINK
IN: dax wif kiki dax kiki wif OUT: BLUE YELLOW BLUE YELLOW
IN: lug OUT: RED
IN: tufa fep dax OUT: PINK BLUE
IN: lug kiki tufa kiki lug OUT: RED PINK RED

*QUERY*
IN: tufa OUT: PINK
IN: wif OUT: YELLOW
IN: wif kiki lug tufa kiki wif OUT: RED YELLOW PINK YELLOW
IN: wif tufa OUT: YELLOW PINK
IN: dax OUT: BLUE
IN: lug kiki tufa OUT: PINK RED
IN: wif fep tufa OUT: YELLOW PINK
IN: wif fep dax fep lug OUT: YELLOW BLUE RED
IN: lug zup tufa OUT: RED PINK
IN: lug fep tufa kiki lug OUT: RED RED PINK

*GRAMMAR*
tufa -> PINK 
 dax -> BLUE 
 lug -> RED 
 wif -> YELLOW 
 x1 zup x2 -> [x1] [x2] 
 u1 kiki x1 -> [x1] [u1] 
 u1 fep x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 