*SUPPORT*
IN: gazzer fep blicket OUT: YELLOW BLUE
IN: gazzer tufa dax fep wif OUT: GREEN BLUE BLUE BLUE BLUE
IN: zup tufa OUT: RED RED
IN: gazzer OUT: BLUE
IN: blicket dax OUT: YELLOW YELLOW
IN: wif zup OUT: GREEN RED
IN: blicket fep blicket OUT: YELLOW YELLOW
IN: gazzer tufa OUT: BLUE BLUE
IN: wif OUT: GREEN
IN: blicket OUT: YELLOW
IN: wif tufa OUT: GREEN GREEN
IN: gazzer blicket tufa fep wif OUT: GREEN BLUE YELLOW BLUE YELLOW
IN: blicket fep wif tufa OUT: GREEN YELLOW GREEN YELLOW
IN: zup dax OUT: RED RED

*QUERY*
IN: zup blicket zup OUT: RED YELLOW RED
IN: zup zup OUT: RED RED
IN: wif gazzer zup fep wif tufa OUT: GREEN GREEN BLUE RED GREEN GREEN BLUE RED
IN: zup fep zup OUT: RED RED
IN: wif dax tufa dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif dax OUT: GREEN GREEN
IN: blicket wif tufa OUT: YELLOW GREEN YELLOW GREEN
IN: wif zup fep gazzer fep zup fep blicket OUT: YELLOW RED BLUE GREEN RED
IN: zup OUT: RED
IN: gazzer tufa dax OUT: BLUE BLUE BLUE BLUE

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