def check_validation(sol):
"""
Check if the data are verified.
:param sol:
Validation solution.
:type sol: schedula.Solution
:return:
Validated data
:rtype: list[dict]
"""
sol = sol.get('verified') and sol or {}
keys = 'plan', 'flag', 'dice', 'meta', 'base'
return [sol.get('validated_%s' % k, sh.NONE) for k in keys]