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

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

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