To "strum" means to play an instrument (like a guitar) by moving one's fingers up and down the strings. So, one can "strum" and instrument, to which of these does one "devour?" To "devour" means to consume, to eat. So, the correct answer is a meal.

An "aqueduct" is a vessel used to transport water. So, which of these is transported using a "capillary?" Well, a "capillary" is a small vessel used to transport blood around the body. So, the correct answer is "blood."

A "pump" is a tool used to inflate. The correct answer will demonstrate a relationship between tool and use. A "shovel" is a tool that is used to dig.

A "dike" is a low-wall built to prevent "flooding." So, if a "dike" is meant to prevent "flooding," what is it that a "fortress" is designed to prevent? The correct answer is "invading." Additionally, a "levee" is a low-wall built to prevent the overflow of a river. It is very similar to a "dike" in definition.

A "centrifuge" is a rapidly spinning machine which is meant to "separate" two or more items. The purpose of a "centrifuge" is therefore to "separate." So, to solve this analogy you need to determine what the purpose of a "brochure" is. Well, a "brochure" is a magazine with a series of items listed for sale. The purpose of a "brochure" is to "advertise." 

A "parasol" is a large umbrella used to provide shelter from the "sun." It's purpose therefore is to "shade" or to provide "shade." So, to solve this analogy you need to determine which of these is the purpose of a "loom." Well, a "loom" is a device for making fabric from yarn. So, the correct answer is "weave." Additionally, "splice" means join together. 

The purpose of an "overpass" is to allow you to cross the "highway." So, to solve this analogy you need to determine what it is that a "ford" allows you to cross. The correct answer is a "river." A "ford" is a shallow area of a "river" where one might cross safely. "Ford" can also be used as a verb, as in to "ford the river."

A "garage" is a place where cars are fixed. To solve this analogy you need to determine what the purpose of a "cabaret" is. Well, a "cabaret" is entertainment held in a club where the audience sits at tables surrounding the stage. The purpose of a "cabaret" then is to "entertain."

A "polemic" is a passionate written or verbal attack on someone or something. The purpose of a "polemic" is to "condemn" something. So, to solve this analogy you need to determine what a "sarcophagus" is used for. Well, a "sarcophagus" is a type of coffin. So, it is used to "entomb" (inter, bury, 'lay to rest') someone. Additionally, "harangue" means scold, criticize; "impute" means to attribute a quality to someone; "adorn" means decorate, festoon; "obfuscate" means confuse.

A "nook" is a small corner or hidden place where someone or something might seek "seclusion" or privacy. To provide further help, "seclusion" is the condition of being away from others or in a private place. So, if the purpose of a "nook" is for "seclusion," what is the purpose of a "forum?" Well, a "forum" is a place where people meet to talk about things. So, the purpose of a "forum" is "discussion."