Given the diagram below, determine the system reliability if the individual component reliabilities are: A = 0.96, B = 0.90, C = 0.98 and D = 0.94. 
Definitions:
Obsessive-compulsive Disorder
A mental disorder characterized by recurrent, unwanted thoughts (obsessions) and/or repetitive behaviors (compulsions) that the person feels driven to perform.
Electroconvulsive Therapy
A psychiatric treatment involving electrically induced seizures to provide relief from mental disorders.
Brain Damage
Injury to the brain that impairs its functions, potentially resulting in altered behavior, cognition, and physical abilities.
Memory Loss
The inability to remember information or events that should normally be recallable, which can be temporary or permanent and varies in severity.
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