user: What is electric current and how is it measured?

assistant: The movement of electric charge is known as an electric current, the intensity of which is usually measured in amperes.

user: What does W stand for in the name W. Rex Black?

assistant: Wilford

user: What outfit should I wear when traveling to San Francisco in May?

assistant: The weather in San Francisco tends to vacillate between cool and warm temperatures. In order to dress appropriately and be comfortable all day, you should dress in layers. Start with a good pair of jeans, a t-shirt and a lightweight sweater. For your outerwear, choose a puffer jacket to add some insulation in case the wind picks up. Finally, San Francisco is best explored on foot, so wear a comfortable pair of sneakers.