Fix grammatical errors in this sentence: I think that you can't answer anything but all subway lines are the worst.
I think that you can't answer anything but all subway lines are the worst.

• I think you're right. I think you're right. – user123456789 Sep 16 '14 at 14:53
• @user123456789: I think you're right. I think you're right. – user123456789 Sep 16 '
I think that you can't answer the question.

• I think you're right, but I'm not sure if I understand your question correctly. I think you're right, but I'm not sure if I understand your question correctly. – user123456789 Sep 28 '13 at 18:56
• @user123456789: I think you're right, but I'm not sure