Seven friends of different heights Aaron, Imaan, Jason, Kirti, Lisa, Mohan and Neeti are standing in descending order of their heights. The tallest person stands at the front of the line and the shortest person stands at the end of the line. Aaron is standing immediately behind Lisa, who is standing immediately behind Kirti. Only two persons are standing between Mohan and Neeti. Iman is standing second from the front. Mohan is not the tallest. Who is standing at the front in the line?