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

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

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