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

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

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