1.
The information below details a portion of an interaction model in JSON:

What is wrong with this interaction model?
2.
While developing a skill, an Alexa Skill Builder finds that the voice response is too quick and needs tobe slowed down.
How can the Builder MOST efficiently iterate and test how the response will sound?
3.
An Alexa Skill Builder is developing a skill using AWS Lambda. The Builder made some backend code changes, then tested the skill on an Amazon Echo device. When invoking the skill, Amazon Alexa replies with "There was a problem  with the requested skill's response". 
How can the Builder troubleshoot this problem?
4.
An Alexa Skill Builder wants to customize a welcome back message for each person who uses the skill. The JSON input is shown below:


Which element from the request would the Builder use to accomplish this?
5.
An Alexa Skill Builder implemented the built-in intent AMAZON.HelpIntent. In some cases, users are asking for help using phrases that are specific to a skill's terminology. Amazon Alexa does not understand these phrases are help requests, and they are not being routed to AMAZON.HelpIntent. 
According to best practices, how can this situation be corrected?