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

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

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