John gave me an icecream. However, I didn't take it.<br/><br/>John gave me an icecream. Despite, I didn't take it.<br/><br/>John gave me an icecream. Althought, I didn't take it.<br/><br/>John gave me an icecream. Nevertheless, I didn't take it.<br/><br/>are these sentece correct? Do they mean the same thing?