Government restrictions have severely limited the amount of stem cell research American companies can conduct. Because of these restrictions, many American scientists who specialize in the field of stem cell research have signed long-term contracts to work for foreign companies. Recently, Congress has proposed lifting all restrictions on stem cell research. Which of the following conclusions can most properly be inferred from the information above?

【选项】At least some foreign companies that conduct stem cell research work under fewer restrictions than some American companies do