Sentence 1: They noticed bees in the house even those spring had just started. 
 Sentence 3: So they called an exterminator and he came out to take a look 
 Sentence 4:  It ends up being their was a nest and they had hibernated 
 Sentence 5:  They were taken care of eventually but it was a crazy site 
 Option 1: They figured out a nest was where they had been coming from. 
 Option 2: They were so confused as to where they could have been coming from.