OCR_Good.swift

class Team {
	
	var athletes: [Athlete] = ...

	func reset() {
		athletes.forEach{ $0.reset() }
	}
        
}

protocol Athlete {
	func reset()
}

class Runner: Athlete {

	func reset() {
		// Do stuff
	}

}

class Rider: Athlete {

	func reset() {
		// Do stuff
	}

}

class Swimmer: Athlete {

	func reset() {
		// Do stuff
	}

}