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

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

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