Premise: During the 2011–12 season AFC Ajax participated in the Dutch Eredivisie, the KNVB Cup, the UEFA Champions League and the UEFA Europa League. The first training took place on 27 June 2011. The traditional AFC Ajax Open Day will be held on 3 August 2011, followed by a testimonial match for the retired former Ajax goalkeeper Edwin van der Sar.
Hypothesis: AFC Ajax took part in 4 tournaments in the 2011-12 season.