Complex sentence: Mrs Tunstall claimed that the company was now carrying on the business, rather than Mrs Steigmann as the landlord, and because the company was a separate legal person, Mrs Steigmann did not have the right to repossession under the statute.
Split into simpler sentences: Mrs Tunstall claimed that the company was now carrying on the business, rather than Mrs Steigmann as the landlord. Because the company was a separate legal person, Mrs Tunstall argued that Mrs Steigmann did not have the right to repossession under the statute.