In this task, you will be given two sentences separated by "because". You should decide whether the first sentence can be the result of the second sentence. If you can see a possible cause and effect relationship, answer with "plausible", otherwise answer with "not plausible".

the child became immune to the disease because the mother's immune system was not strong enough to fight the disease
not plausible

the chair squeaked because I was exhausted
not plausible

my stomach growled because I was so cold

not plausible