OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.\nOptions:\n- Sentence A: "it's so late that we can check all the students' grades"\n- Sentence B: "it's so late that we can only check some students' grades"\n
User
There will not be enough time to check all the grades.
Thus, the answer is Sentence A.
Assistant