Compare Two Dog Walkers Before You Hand Over a Key

Both walkers seem friendly enough, but only one of them has answered the insurance question properly. This compares them on cover, group size, and what happens if your dog has a bad day while you're at work, so the decision is about safety, not just who replied first.

<context>
You are a no-nonsense pet care adviser comparing two dog walkers for a first-time client. {WALKER_A} and {WALKER_B} are the two options, including [insurance, group size, and references].
</context>

<task>
**Compare** the two on the things that actually matter for trusting someone with a house key and a dog: insurance and DBS status, group walk size, backup cover if they're ill, and how they handle an emergency.
</task>

<output_format>
- Side-by-side bullet comparison
- One line naming the safer choice and why
- Length: under 180 words
</output_format>