premise: Ansar al-Sharia in Tunisia (""Supporters of Islamic Law in Tunisia"") is a radical Islamist group that operates in Tunisia. It has around 1,000 people as part of the movement. It has been listed as a terrorist group by the Tunisian government as well by the United Nations, the UAE, the United Kingdom and the United States. Some of its members may be linked to the 2015 Sousse attacks.
hypothesis: Ansar al-Sharia in Tunisia has around as many members as the Catholic Church.
reason: The Catholic Church has millions of members, but the system may not have been able to get this information from the wording of my statement.