Question: Who is lost? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: The Poseidon Adventure Context: The plot centers on the SS Poseidon, a 135,000-ton state-of-the-art luxury cruise ship on a cruise from Cape Town, South Africa to Sydney, Australia as well as the stories and dramas of some of the 3,700 passengers and crew. Passenger and father, Richard Clarke, is having an affair with Shoshana, a crew member. His family is drifting away from him and his wife, Rachael, kicks him out of the family's stateroom. Dylan, their 12-year-old son witnesses this and is devastated. His older sister, Shelby, is in nursing school and falls in love with the ship's doctor Ballard. On New Year's Eve, a bomb planted by a group of terrorists explodes. A second bomb is planned to explode, but was earlier dismantled by sea marshal, Rogo. Because water is now entering only one side of the ship, it tips over throwing many people to their deaths. As the ship continues to tilt, the center of gravity on the ship causes it to flip completely into an upside-down position. Many passengers and crew are injured, crippled, or killed. Ballard's arm is seriously injured. Shelby and one of the showgirls are trapped on a table that is secured to the floor, which is now the ceiling. They are both rescued. Shelby and Ballard then begin helping the injured. A small group of survivors, including Shelby's mother, prepare to escape the sinking ship through the hole left by the bomb. The cruise director convinces most survivors in the ballroom to stay, telling them the ship is not sinking. Shelby decides to stay and help the injured, but knows her mother and younger brother need to leave before it's too late. The others leave the ballroom as Shelby's mother promises to leave traces where the group has gone. They then painfully depart and Shelby waves to her mother with a bloody hand as episode one ends. Episode two begins with the navy realizing that the S.S. Poseidon has gone missing, and they send out a rescue team. In one of the Poseidon crew quarters, Richard and Shoshana reach the ballroom through an air vent. Shelby confronts Shoshona, as...
A:
Insufficient information to provide an answer.