Talking to Minty.
"Yeah, that's where I was born," she laughs. "When you evolve your Nincada, make sure you don't have six Pokemon in your party, and make sure you have one extra Pokeball. That's all I can say now, but trust me, you'll love it."
"Thanks for the advice!" I responded. "Hey, I'm going to go look by the side of the path. The PokeGear is telling me something interesting can be found there."
I inspected the side of the path, hoping to find something good.