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. I said to my friends, "let us go to a picnic for a change".

• I asked my friends if they would go to a picnic for a change.
• I asked my friends to go to a picnic for a change.
• I permitted my friends to go to a picnic for a change.
• I suggested to my friends that we should go to a picnic for a change.