Sentence 1: At the same time , a strange newcomer to the Great Valley has Littlefoot and his friends trying to help figure out just exactly what he is .
Sentence 2: At the same time , a strange newcomer to the Great Valley is Littlefoot and his friends who are trying to help find out exactly what he has .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?