Complex sentence: Carol asks Ed if he wanted to come join the group for some fish but he refuses then Ed asks Sophia if she could keep him company but carol says "She wants to join the group" and they walk away.
Split into simpler sentences: Carol asks Ed if he wants to come join the group for some fish, but he refuses. Ed then asks Sophia if she could keep him company, but Carol says "she wants to join the group" and they walk away.