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

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

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