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

People who are deaf or have hearing impairments, those who are blind or have vision impairments, and those with mobility impairments may face unique challenges in an emergency. Their ability to detect a fire or escape its effects may be hindered by their impairments. As a result, people with these impairments are at a greater risk of death or injury due to fire.

Hypothesis: People who are deaf cannot detect a fire.
It's impossible to say