Finish the following sentence with the best choice: to accommodate many birds at a bird feeder

Choices:
- attach many different perches  to the sides of the bird feeder using a hammer and nails or glue
- attach many different perches  to the bottom of the bird feeder using a hammer and nails or glue

Answer:
attach many different perches  to the sides of the bird feeder using a hammer and nails or glue