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

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

*GRAMMAR*
dax -> GREEN 
 tufa -> RED 
 zup -> PINK 
 wif -> BLUE 
 u1 fep u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 u1 lug u2 -> [u1] [u1] [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 