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

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

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