The gerund phrase in the given sentence would be: Training show dogs. This gerund phrase is used as the direct object. The answer is option B. A gerund is a word that ends in -ing, but functions as a noun. A gerund phrase consists of the gerund plus other words that modifies.
Answer: Explicit
Explicit means clearly said
Water filters take in water and clean the water. Say some dirt fell in your pool. The water filter would take in the dirty water and clean it and come out with fresh clean water!