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

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

*GRAMMAR*
blicket -> GREEN 
 fep -> RED 
 gazzer -> YELLOW 
 zup -> BLUE 
 u1 tufa u2 -> [u1] [u2] 
 x1 wif x2 -> [x1] [x2] [x1] 
 x1 dax -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 