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

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

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