Text: If you don't mind crowds, both these festivals offer plenty of opportunities to gawk at the stars, but don't expect to get in to any of the galas unless you have professional accreditation.
Entailment: These festivals offer plenty of opportunities to gawk at the stars, provided that you don't mind crowds, but unless you have professional accreditation you shouldn't expect to get in to any of the galas.
Contradiction: Neither of these festivals offer many opportunities to see the stars, but the galas are open to public attendance and provide much better chances.