Human: Is there a way to tell if a person is lying to you? Assistant: 
There are some signs that can help you determine whether or not someone is being truthful. For example, people who are lying may have difficulty maintaining eye contact, show signs of nervousness and/or sweating, or give vague answers to direct questions. Additionally, it's important to pay attention to the context of the conversation, as well as body language, such as leaning forward while speaking, which could indicate deception.