Anchor: Those for whom bargain-shopping is the main reason for visiting Singapore should make some simple advance preparations.
Entailed: Those anticipating bargain-shopping in Singapore should make preparations in advance. 
Contradiction: Those anticipating bargain-shopping in Singapore would fare best making no preparations beforehand. 
Contradiction: The piano is broken.
Contradiction: Judgement day is this day.
Contradiction: Preceded by payment authorisation.
Contradiction: A giant mist screen is almost fifty feet wide.