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

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

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