Duolingo, I'm going to need you to tell me what genre we're in

The screenshot above is from a Duolingo "Complete the chat" exercise, with a prompt sentence and two possible responses to choose between. It goes as follows:

Prompt:	C'était d'habitude une petite rue très sûre, très calme.	It was usually a very safe, very quiet little road.
Option 1:	Oui, il y avait souvent des accidents mystérieux.	Yes, there were often mysterious accidents.
Option 2 (selected):	Oui, on ne se sentait jamais en danger.	Yes, one never felt oneself to be in danger.