I understand your concern! 😄 It sounds like you're worried about not knowing how to cancel or handle a large unexpected delivery that arrives at your doorstep, especially when it's a heavy and bulky item. Am I correct? 💡

Don't worry, I'm here to help! 🤗 Here are some possible steps you can take:

1. **Check the shipping label**: Look for any contact information, such as a phone number or email address, on the shipping label. This might be a good starting point to reach out to the delivery company or the sender.
2. **Contact the delivery company**: Reach out to the courier service that delivered the package (e.g., UPS, FedEx, USPS). Explain the situation and ask for their assistance in handling the return or cancellation of the delivery.
3. **Reach out to the sender**: If you have contact information for the sender, try contacting them directly to explain the situation and ask if they can assist with returning or canceling the shipment.
4. **Check your account or online dashboard**: If you have an account with the delivery company or the shipping platform, log in to see if there are any options available to manage or cancel the delivery.
5. **Take photos and document the situation**: Take clear photos of the package and its contents (if applicable). This will help as evidence in case you need to escalate the issue further.

Some possible phrases you could use when reaching out to the delivery company or sender:

* "I recently received a large unexpected delivery at my doorstep, but I didn't order it. Can you please assist me with returning or canceling the shipment?"
* "I'm concerned about the weight and size of this package; can you help me figure out what to do next?"
* "I think there might have been an error in the delivery. Can you look into it and see if we can resolve the issue?"

Remember to stay calm, be polite, and provide clear information about the situation. Good luck! 🤞