If Patricia eats a heavy, spicy meal tonight, she will get a bad case of heartbum later  If Patricia gets a bad case of heartbum later, she will be grouchy tomorrow morning
So if Patricia eats a heavy, spicy meal tonight, she will be grouchy tomorrow morning
If Bryan's fruit trees are to produce well, he must either prune them in the fall or fertilize them in the spring. Since Bryan wants his trees to produce well but forgot to prune them last fall, Bryan is sure to fertilize his trees this spring.