Which sentence uses break away to mean separate from a group?
In the final kilometre, one cyclist broke away from the main group.✓Bonne réponse
The support van broke down beside the course.
Two riders broke up after dating for a year.
A small fire broke out near the finish line.
Explication
The cyclist broke away by separating from the group and moving independently. Breaking up describes the end of a relationship in the closest distractor, not a solo move away from a racing group.