21.   I felt as if there was a weight on my chest, choking me.

22.   Her weight was under ninety pounds.

23.   Losing weight was a terrible struggle.

24.   Losing weight is a slow, gradual process.

25.   Their weight is an unfortunate fixation for many teenagers.

26.   If the weight of the bird is greater than this lift it will fall.

27.   If the weight of the bird and the lift is the same it remains static.

28.   If the weight of the bird is less than the lift then the bird rises.

29.   In order to use the algorithm, we must assume that all edge weights are positive.

30.   Dynamic programming is used to compute a shortest path between every pair of vertices in a weighted directed graph G.