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

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

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