1) a pumpkin; an evergreen plant; a heart;
2) “trick
or treat”; “Merry Christmas”; “Will you be my Valentine?”;3) 31st October; 25th December; 14th February;
4) yellow and black; red and green; pink and red;
5) children; the whole family; lovers;
6) a pumpkin pie; a Christmas pudding; hearts made of chocolate.