Array
(
    [0] => people
    [1] => research
    [2] => companies
    [3] => united states
    [4] => free
    [5] => proposal
    [6] => opinion
    [7] => north american
    [8] => issue
    [9] => context
    [10] => world
    [11] => online
    [12] => quality
    [13] => american
    [14] => manner
    [15] => home
    [16] => life
    [17] => book
    [18] => countries
    [19] => issues
    [20] => example
    [21] => writing
    [22] => process
    [23] => responsibility
    [24] => example
    [25] => test
    [26] => test
    [27] => short
)