Leo: Given the sentence "A group of young and old practice together for an instrumental performance." is it true that "The members of an amateur band are practicing for tryouts to the london symphony orchestra."?
Mei: OK, So, let's think first...
Me:
User
Practice together for an instrumental performance does not necessarily mean amateur band or that it is for tryouts to the London Symphony Orchestra.
Thus, the answer is it is not possible to tell.
Assistant