This week on Idaho Photo is dedicated to aircraftOntario , Oregon Air FairThis last Saturday I had a chance to get away from work and relax at the Ontario Air Fair . I had never been to one and what a lot fun it is for free ! No admission was charged , I did donate to the parking fund though .

Select from the following.
1). It was held on a weekend day ..
2). Cars must pay a parking fee ..
3). None of the above choices ..
4). I had a good time there previously ..
Answer the following question: What may be a valid fact about the air fair ?
1).