Can we draw the following hypothesis from the context (see options)? 

Context:

By Most pre-Carnival street parties in Brazil are all about samba, but the moves on display at Sunday’s Blocao parade were focused more on wagging and strategic sniffing than on fancy footwork. Go here to read the rest: Carnival goes to the dogs with Rio pet parade

Hypothesis: This is the first time the parade was held on a Sunday.
OPTIONS:
[i] Yes.
[ii] It's impossible to say.
[iii] No.