Read the following context and answer the question.
Context: Last year , when I stopped carrying an umbrella it rained so rarely , my allergies were hardly noticeable . This year , uh . Mold is # 1 with a bullet on the allergy list ( dust is # 2 ) , although there are also some autumn spores that get me .
Question: Why is mold # 1 with a bullet on the allergy list ?
Answer:


Because mold activates the writer 's allergies .