Consider the following diagram. Which of the following statements is$/$are not true?

If a tenant dies $($i$.$e$.$ the tenant$-$object is deleted$),$ all leasing contracts of the tenant are deleted

One flat can be rented by multiple tenants with different leasing contracts.

One flat can be rented by multiple tenants with the same leasing contract.

One tenant can rent the same flat multiple times with different leasing contracts.