13. Read the following sentence:
Many chefs like to cook for their families to test their new recipes on them to see if they are any good.
Select the sentence that clarifies the meaning: (10 points)
Many chefs like to cook for their families to test their new recipes on them and others to see if they are any good.
Many chefs like to cook for their families to test whether new recipes are any good.
Many of them like to cook for them to test their families' new recipes to see if they are any good.
ОО
Many of them like to cook for them to test their new recipes on their families to see if they are any good.