Anchor: Like most other national museums it opens at 10:30am and is closed on Tuesdays.
Entailed: The museum is open every day except Tuesday. 
Contradiction: The museum is open every day except Wednesdays. 
Contradiction: The boy and girl are singing.
Contradiction: The prime minister elected in 1983 was from the Motherland Party.
Contradiction: The people are cooking hot dogs.
Contradiction: A person is helping a little boy learn how to ride a bicycle.