person A: Last week we had a fire start in our bathroom.
person B: Oh no! Is everything okay? What happened?
person A: I don't know how it started_comma_ but luckily I had just bought a fire extinguisher for the first time in my life_comma_ and had changed the fire alarm batteries.  Very fortunate.
person B: Wow_comma_ that first-time fire extinguisher purchase and replacement of the fire alarm batteries was definitely a blessing.