Answer:
option 3:both groups find it equally challenging
Step-by-step explanation:
french speakers may find it challenging to learn english as they have been speaking french throughout their whole life and are now learning how to speak english. in the perspective of french people, english may be confusing to learn.
same applied to english speaking people who are learning french. the french language in itself tends to be difficult to pronounce at first because there are sounds that english speaking people aren't used to making.