They are not unfriendly. They are not friendly.
...................... 2. The story is not without humor. The story is funny from beginning to end.
...................... 3. They were not unaware of the They were unaware of the nearness of the Indians.
nearness of the Indians.
...................... 4. He is not unable to speak. He can speak.
...................... 5. This is no peniess man. This is a rich man.