At this point we can not say it is good keywords. you need to check relevancy, completion, searches and competitors keywords then select best keywords as a relevance idea. After that you can create ads using more relevant keywords which keywords provide good CTR, CPC and great conversion rate in split testing then you can add this keyword in your campaign for ling term. Google keywords planner only suggest you keywords but you need to select good keywords as per your product or business basis.
The second is better for sure. But why don't you use both, just set click limit for the first equal to the second