What is the antecedent of the pronoun in the parentheses?

No one knows whether any of the churches or synagogues in town will provide space in (its, their) buildings for a homeless shelter.]]> Is the antecedent singular or plural?

No one knows whether any of the churches or synagogues in town will provide space in (its, their) buildings for a homeless shelter.]]> No one knows whether any of the churches or synagogues in town will provide space in their buildings for a homeless shelter. Type the correct pronoun into the box, then submit it and say the sentence.

No one knows whether any of the churches or synagogues in town will provide space in (its, their) buildings for a homeless shelter.]]>