Correlation is indeed not causation. However all four statements hold true for correlation. And at least alcohol can cause cancer.

- Bad diet: for example red meat increases risk of colorectal cancer. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4698595/

- physical activity reduces the risk of many cancers. https://www.cancer.gov/about-cancer/causes-prevention/risk/o...

- overweight people have a higher risk of cancer. https://www.cancer.gov/about-cancer/causes-prevention/risk/o...

- alcohol increases risk of head and neck, oesophageal, liver, breast, colorectal caner and many others . https://www.cancer.gov/about-cancer/causes-prevention/risk/a...