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

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

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