I were recently told that the sentence "I hope that you will prove them wrong" should have two or more meanings 'in-sentence', but not how and this is bugging me!
I can only make sense of this 'out-of-sentence', by making demands to the previous sentence, either making "that" point to a previous statement "I hope that! You will prove them wrong" or by making the action "you will" point to a previous statement "I hope that you will! Prove them wrong"
(The multiple meaning could also be from dual meanings of words too, like bat->animal and baseballbat. I don't see how this would apply though)
Can you see more ways of interpreting this sentence?