Burglary in the third degree specifically involves:

Third-degree burglary is defined by the unlawful entry into a building with the intent to commit a crime, typically theft, once inside. This classification emphasizes the act of entering a structure without permission, coupled with the intent to commit a theft or another crime.

The focus on intent to steal differentiates third-degree burglary from other classifications of burglary, which might require other elements such as the presence of individuals or a specific type of structure, like a dwelling. Thus, option A accurately captures the essence of third-degree burglary by highlighting the lack of consent and the intention to steal, which aligns with the legal parameters set around this specific crime in Minnesota.

In contrast, entering a dwelling with someone present, possessing fireworks during entry, or committing a misdemeanor while inside do not encapsulate the specific legal definitions of third-degree burglary as they relate to unlawful entry and intent to commit theft.