Tenant kelly has the right to use landlord bob's property according to the lease. does kelly have an interest in the property?

No

Explanation:

Landlord is the person who is the owner of the particular property and has the right to rent it to any person.Property can be any land house, apartment etc.Tenant is the person who stays in a property on basis of rent owned by any landlord.

According to the question's situation , Kelly is not interested in the property of her landlord even though she persist the right to use use it.As she is not the owner of the property and can perform functions only under rental agreement.