Consider the premise. Does the hypothesis stand independently without contradicting or following it? Premise: Did the ancestors of the Indians really come from Asia over the Aleutian land bridge? Hypothesis: The Indians ancestors likely traveled in groups of 100 over the Aleutian land bridge. 
Did the ancestors of the Indians really come from Asia over the Aleutian land bridge?###The Indians ancestors likely traveled in groups of 100 over the Aleutian land bridge. 