def remove_raw_grounding(stmts):
    """Remove the raw_grounding annotation to decrease output size."""
    for stmt in stmts:
        for ev in stmt.evidence:
            if not ev.annotations:
                continue
            agents = ev.annotations.get('agents')
            if not agents:
                continue
            if 'raw_grounding' in agents:
                agents.pop('raw_grounding', None)
    return stmts