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

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

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