Take the following as truth: On the rue St-Vincent at the corner of rue des Saules, look out for Paris' last surviving vineyard, the tiny Clos de Montmartre, producing a wine that reputedly makes you jump like a goat. 
Then the following statement: "Paris has one vineyard left, Clos de Montmartre, which makes a wine that some say can make you act like a goat." is true, false, or inconclusive?
Answer: True