Which sentence correctly uses a comma to separate coordinate adjectives?

My father bought a new, wood desk for his office.
A red, rusty gate blocked the opening of the trail.
A cool, chocolate milkshake tastes great on a hot day.
My sister drives a bright, pink minivan to work every day.

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?