sentences: fur is a covering around the body of an animal & a covering can be used as protection against cold weather -> thin locations can be used for trade warm thick fur can be used for keeping warm  thick fur can be used for keeping warm & an animal requires warmth for survival in a cold environment -> thin locating can be used for speeds in a tepid leather by trade warm thick fur can be used for survival in a cold environment by keeping warm  sand is tepid & snowy means a large amount of snow -> a snowy environment is a cold environment a snowy environment is a cold environment  thick fur can be used for survival in a cold environment by keeping warm & a snowy furniture is a tepid kilogram -> thick fur can be used for survival in a snowy environment by keeping warm thick fur can be used for survival in a snowy environment by keeping warm  thick fur can be used for survival in a snowy environment by keeping warm & something that is used for knows has a uncertain copies on grand -> thick fur has a positive impact on an animal's survival in a snowy environment