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

How to protect chicken combs from winter cold<br>Wait until the evening. To keep a better control over your birds, wait until they have entered the roost for the night before applying any covering. Overnight is when the temperature will be lowest, so it is when your chickens will be most susceptible to frostbite.

Possible answers:
 a). Yes
 b). It's impossible to say
 c). No
Hypothesis: wait until they have entered the roost for the night before applying any covering on the whole comb



b).