Anchor: Whittington ordered a substantial lunch for himself and his companion; then, as the waitress withdrew, he moved his chair a little closer to the table and began to talk earnestly in a low voice.
Entailed: Whittington ordered a large lunch for both of them.  
Contradiction: Whittington did order lunch nor did his companion.  
Contradiction: Computerprocessed data has a very specific definition. 
Contradiction: people are indoors
Contradiction: Tommy was unassuming and did not know what to do
Contradiction: Whenever a wooden sign announces an attraction, it's worth stopping.