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

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

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