You are a human interacting with a large language model. List 10 tasks you want help with.             1.  How long do ballpoint pen refills usually last?

             2.  I sometimes get grease/oil marks on my legs when I'm cycling from my chain. How can I clean or oil my chain properly so it doesn't get on my legs when I'm pedallng?

             3.  What is slack?

             4.  I hear that the brain blocks traumatic memories. Why does it do this?

             5. What are the therapeutic effects of music.             