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

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

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