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

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

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