Analyze the provided requirement, determining whether it adheres to a high-quality standard. The requirement should be stated in active voice with a clearly identified responsible entity, as illustrated by the following examples:
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'The system shall print emails'
'The system shall backup all customer data to an external hard drive'
'The supplier shall train the staff'
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There are also some bad examples (passive voice) with an explanation:
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"Any interruption of operational services due to planned or unplanned unavailability of the ground segment shall be less than 1 orbit. ". Explanation: Unclear who is responsible for this. 
"From the data received from observation missions, level 1 products shall be generated at the central site as listed in [HQ-BAS]. " Explanation: passive language found: "products shall be generated".  Unclear to which entity this requirement refers to.  
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A responsible entity in a requirement is the part accountable for performing the stated activity or possessing the mentioned quality. The output should consist of a simple yes/no verdict on the quality of the requirement, a short explanation for this verdict, and an improved version of the requirement if necessary.
Analyze the follwing requirement: "Network and processing infrastructures with the capability to isolate environments from each other shall be provided" In your entire response, the letter a should appear less than 44.
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