Between 1959 and 1962 approximately 200,000 Cubans, primarily professionals and affluent landowners, fled the country.
Between 1959 and 1962 approximately 200,000 Cubans fled the country for better business opportunities. 
mnli hypothesis: Between 1959 and 1962 approximately 200,000 Cubans fled the country for better business opportunities.  premise: Between 1959 and 1962 approximately 200,000 Cubans, primarily professionals and affluent landowners, fled the country.