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

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

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