Take the following as truth:  Isidoro Macabich intersects avinguda Ignacio Wallis; turn down it to the right and a few hundred metres later you'll come to passeig Vara del Rey, a favourite spot to while time away in the town.
Then the following statement: "Isidoro Macabich does not intersect avinguda Ignacio Wallis." is true, false, or inconclusive?
Answer: False