41.   UFO spotters will always insist that their data is correct.

42.   Not enough data is available to scientists.

43.   Other recommendations relate to the details of how such data is stored.

44.   The data can subsequently be loaded on a computer for processing.

45.   There are data on the rates of diffusion of molecules.

46.   The data was irretrievable after the computer crashed.

47.   The data is ready for input into a computer.

48.   Needless to say, these data are indeed cause for concern.

49.   No worthwhile economic or demographic data is available.