Headaches, <e1>dizziness</e1>, balance problems, and neck and back pain were caused by the work <e2>injury</e2>.
Headaches, dizziness, balance problems,
Headaches, dizziness, balance problems, and neck and back pain were caused by the work injury.
<triplet> dizziness <subject> injury <object> Cause-Effect(e2,e1)