Assertion: All copulations do not lead to fertilisation and pregnancy. Reason: Fertilisation can only occur if the ovum and sperms are transported simultaneously to the ampullary–isthmic junction. (1) Assertion and Reason are true and Reason is correct explanation of Assertion (2) Assertion and Reason are true, but Reason is not the correct explanation of Assertion (3) Assertion is true, but Reason is false (4) Assertion is false, but Reason is true