Testimonial - a written declaration certifying to a person's character, conduct, or qualifications, or to the value, excellence, etc., of a thing; a letter or written statement of recommendation.
Don’t talk or sit next to anyone who distracts you and make sure to stay focused and don’t stress
Answer:
the first one. A train stopping to let get fuel and passengers
Explanation:
the biggest hint it gives is"and stop to feed itself at tanks" and what is the only thing that train eat it is gasoline
