Trainer : Circus :: Helmsman : Directions: In the question, the first two words are related in a particular manner. You have to choose a word from the options so that a new pair of words is formed where the relation is the same as that of the first pair of words. You are required to consider the secondary meaning of certain words while choosing an answer.
The relationship presented is one of responsibility and workplace. A trainer is responsible for the circus, much like a Helmsman is responsible for a boat. The Helmsman is the person in charge of steering and navigating a boat, just as the trainer is responsible for the overall training and management of the circus.