In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech. They said to me, "We will help your team if you sign on this document."

• They said to me that they would help my team if I signed on that document.
• They said to me that they will help my team if I signed on this document.
• They said to me that they would be helping my team if I signed on that document.
• They said to me that they will help my team if I sign on this document.