Write the next sentence in the following story.

How to take legal action against software licensing violations
Look for specialists.
Copyright law is a subset of intellectual property law and is usually only practiced by specialized lawyers. Due to the complexity of copyright law, if you are planning on suing someone for copyright infringement, you should hire the right person for the job.

Available options: 1). Because copyright laws are complicated and require extensive knowledge, it is good to have a peer or or colleagues for assistance. Learn the laws and regulations related to copyright law.. 2). You will also want an experienced copyright attorney to handle the legal matter. Check the courts where the person is sued or who filed the infringement complaints.. 3). Typically, the more qualified a copyright attorney is, the more likely they are to be successful. If there's a business idea you're concerned about, look for other firms whose lawyers represent you and/or solicit business proposals.. 4). When looking for attorneys, try to find a copyright lawyer comfortable with federal law and federal practice. Because copyright law is almost exclusively managed at the federal level, any attorney you hire need to be able to practice in front of the federal court you file in... The answer should be
4).