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

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

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