Determine if the sentence is true based on the text below:
Bo was second largest city in Sierra Leone in the year 2000.

Kenema is the second largest city in Sierra Leone, and the largest city in the Eastern Province of Sierra Leone. The city is the capital of Kenema District and is a major economic center of the Eastern Province. Kenema officially overtook Bo as Sierra Leone second largest city, after it's surpassed Bo by population in the 2015 Sierra Leone national census.
It's impossible to say