Generate a context and a hypothesis.
Context: ISTANBUL (Reuters) - Turkish President Tayyip Erdogan’s spokesman said on Thursday the U.S. administration will not achieve its desired results by threatening Turkey, after U.S. President Donald Trump warned of sanctions unless Ankara freed an American pastor. “The United States must reconsider its approach and adopt a constructive position before inflicting further damage to its own interests and its alliance with Turkey,” Ibrahim Kalin said in a written statement.

Hypothesis: Mike Pence warned of sanctions unless Ankara freed an American pastor.