51.   People are unaware of the peril these miners face each day.

52.   I was unaware of the danger that lay ahead.

53.   He may be unaware of his irritability and surprised when someone calls attention to it.

54.   Less concerned with or unaware of politics, they often force sensitive issues out into the open.

55.   The Garman meteorological services were unaware of the break in the weather.

56.   During a bullfight, a drunk suddenly wandered into the middle of the ring.

57.   The crowd began to shout, but the drunk was unaware of the danger.

58.   I thought that was interesting, because I was in France and unaware of how my journey was unfolding on U.S. television.

59.   Others are unaware of how their seemingly benign reuse of pre-existing material - articles, pictures, music, songs, scripts or film clips - violates copyright law.