Rain will fall. Hurricanes will form. Lightning will strike. Hail will form.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Above a continent, a warm air mass slowly passes over a cold air mass. As the warm air begins to cool, clouds form. What will most likely happen next?
Possibilities:
- Rain will fall.
- Hurricanes will form.
- Lightning will strike.
- Hail will form.

Rain will fall.