Sentence:  If the <WSD>Martian</WSD> understood and could analyze the character of men and women, he would find in shops, factories, mills, schools, offices, in business, in the professions and arts, multitudes of men and women in the unhappy position of the fish out of water. Floundering hopelessly in vocations for which they have no aptitude, unless some merciful wave carry them to their native element, the place for which nature especially equipped them, their lives will be wrecked. 
Meaning of the word marked with <WSD> tags:  An inhabitant of the planet Mars.