Draft a fact pattern in which a party attempts to introduce expert opinion testimony at trial. Explain why each of the foundational requirements arguably is or isn't met, based on the following foundational requirements: Fundamental Requirement of Expert Witness Testimony. 1. Qualifications: A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an opinion or otherwise if : 2. Subject matter: a. the expert's scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a fact in issue; 3. Reliable opinion: b. the testimony is based on sufficient facts or data; c. the testimony is the product of reliable principles and methods; and d. the expert has reliably applied the principles and methods to the facts of the case