Read the following paragraph and determine if the hypothesis is true:

Courtland Park is a sub-neighbourhood of Carleton Heights in River Ward in the west end of Ottawa, Canada. It is bounded on the north by Baseline Road, on the east by the Rideau River, on the south by Dynes Road and on the west by Fisher Avenue. Prince of Wales Drive runs thorough the neighbourhood.

Hypothesis: Courtland Park is the only sub-neighborhood of Carleton Heights
It's impossible to say