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

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

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