The Relative Clause is “who are five in number”. It is a type of dependant clause (it need the main clause in order to convey its meaning properly) that has the same function of an adjective; that is to say, it modifies a noun “friends”.
Answer:
soccer is not tough or challenging as football
Explanation:
this shows that the author thinks it is a sport thta requires less than football
hope this helps :)
