Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to defend against online trademark disputes [title] Read the letter. [step] A cease and desist letter is sent through the mail, or as an email, and states or suggests that you are infringing on someone else's trademark and that you need to stop. If you receive one of these letters, take it seriously.

Ending1: The letter should spell out how the individual or company thinks you are infringing on their trademark and it should request a response. [substeps] The cease and desist letter is almost always a precursor to litigation. Ending2: [substeps] You should check the length and format of your reply. Generally, the longer a reply, the more likely it is to be read by someone. Ending3: [title] Review all the solicitures listed. [step] Determine who owns the trademark by looking at the following types of solicitures : [substeps] Individual. Ending4: [substeps] There is nothing illegal in internet commerce. Before you go online to contest a trademark, read the letter carefully and see if you will be subject to any penalties, if any.

Answer format: ending1/ending2/ending3/ending4