Complex sentence: The class comprised "Gruno", "Brinio" and "Friso" and all ships were still in service at the start of World War II. Only "Gruno" was able to escape to the United Kingdom.
Split into simpler sentences: The class comprised "Gruno", "Brinio" and "Friso". All ships were still in service at the start of World War II. Only "Gruno" was able to escape to the United Kingdom.