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

*QUERY*
IN: dax fep kiki wif OUT: RED YELLOW GREEN PINK
IN: dax dax tufa OUT: RED RED RED
IN: kiki wif tufa OUT: GREEN PINK PINK
IN: wif fep OUT: PINK YELLOW
IN: kiki tufa OUT: GREEN GREEN
IN: fep wif tufa OUT: YELLOW PINK PINK
IN: dax wif tufa OUT: RED PINK PINK
IN: fep gazzer wif dax OUT: PINK RED YELLOW YELLOW
IN: dax tufa OUT: RED RED
IN: wif tufa gazzer kiki OUT: GREEN PINK PINK PINK PINK

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