You rent an apartment. You have signed a lease from January $1,2023$ to December $31,2023.$ It is now March $2023$ and you have decided you want to travel for an extended period of time. What to do with your apartment? You ask your landlord if instead of breaking the lease you could find someone to live in your apartment. The landlord agreed. You have a coworker looking for a place to live. You offer your apartment to your coworker and after discussing the rent and any other house related things one ouhgt to know $($cost of utilities, parking arrangements, etc.$)$ they accept.

If your coworker agrees to move into your apartment from April $1,2023$ until December $31,2023$ this is called a$($n$)\_\_\_\_\_$

If you and your coworker agree that they will reside in the apartment from April $1,2023$ until October $31,2023($you plan on returning from your travels in early November$),$ this is called a$($n$)\_\_\_\_\_\_\_\_$