Complex sentence: Fyra (pronounced) was the name of an international high-speed rail service between the Netherlands and Belgium which operated for less than two months in 2012 − 13 using the AnsaldoBreda V250 train.
Split into simpler sentences: Fyra (pronounced) was the name of an international high-speed rail service between the Netherlands and Belgium. Which operated for less than two months in 2012 − 13 using the V250 train.