Anchor: people gathered around watching street performers playing various instruments
Entailed: People have gathered to watch a musical performance by street performers
Contradiction: People have gathered to watch an impromptu rock show by a rock band
Contradiction: A man is sleeping.
Contradiction: Hard work is what determines the success of mergers, you have to compare performance of the combined companies against projected performance of the once independent ones.
Contradiction: Government-modified and government-developed tools are unavailable.
Contradiction: Two people are seated by a structure with windows.