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

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

*GRAMMAR*
wif -> GREEN 
 dax -> RED 
 kiki -> PINK 
 gazzer -> YELLOW 
 x1 fep x2 -> [x1] [x2] 
 u1 tufa u2 -> [u2] [u1] [u1] [u2] 
 u1 lug x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 