Sentence 1: These unique roles involve sound management practices and professional audits and attestation engagements.

Sentence 2: The roles don't include sound management practice or anything of that nature.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: This was short and somehow conservative--it had a sincere, executive look about it.

Sentence 2: This was winding, and wild - it was very random and unplanned.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Among his blurbists, by the way, is Dr. Leonard Jeffries, of New York's City College.

Sentence 2: Dr.Leonard Jeffries has no connection to New York's City College.
Is this second sentence entailed by the first?

Answer:
no