sentence2_structure: A ligament<>is<>a short band of tough connective tissue$$$tough connective tissue<>connects together<>to form a joint
sentence1: A ligament is a band of tough, fibrous tissue that connects two or more bones at a joint and prevents excessive movement of the joint.
sentence2: A ligament is a short band of tough connective tissue that connects bones together to form a joint.
question: What is a short band of tough connective tissue that connects bones together to form a joint?