To be cheek by jowl is to be positioned very close together, but in this sentence the people are living far away from each other.
Context: The city of Philadelphia lay just out of sight; he could smell the haze of fire, the stink of thousands of people living far away from each other.
Hypothesis: The city of Philadelphia lay just out of sight; he could smell the haze of fire, the stink of thousands of people living cheek by jowl.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?