Erika helped the elderly woman with her shopping basket which was overflowing with vegetables.

Which revision of this sentence uses commas accurately?

1. erika helped the elderly woman, with her shopping basket which was overflowing with vegetables

2. erika helped, the elderly woman with her shopping basket which was over flowing with vegetables

3. erika, helped the elderly woman with her shopping basket which was over flowing with vegetables

4. erika helped the elderly woman with her shopping basket, which was over flowing with vegetables

4. Erika helped the elderly woman with her shopping basket, which was overflowing with vegetables.