11.   The goal will be to observe changes the neutrinos undergo in transit, both in numbers and types.

12.   To prepare for the future, managers must keenly observe changes happening right now, Drucker says.

13.   But it said it had observed no changes at the mountain.

14.   But it said no visible tidal changes have been observed so far.

15.   But no visible tidal changes were observed, and all the warnings were lifted within an hour and half after the agency issued them.

16.   IMG is in a unique position to observe changes in golf.

17.   Some parts of the country do not observe the change.

18.   The final fly-by should allow scientists to observe any changes in Io over the last few years.

19.   The Japanese side claims that Tokyo has already improved market access, but Americans say they have not observed any change.