51.   Sport involves risk, it is part of the contract.

52.   Strategy games, where the payoff depends on interactions between subjects, all involve risk, a contaminating factor.

53.   The recent daring rescue mission to the South Pole involved many risks, most of which were related to the extreme weather.

54.   The United States has pledged to assist such a pullout, which would also involve substantial risk.

55.   The trades also involve the risk that the U.S. dollar will plunge against the yen, wiping out the benefits of owning higher-yielding Treasury securities.

56.   There are options, but they involve extra risk.

57.   The WNBA involves considerable risk to the operating clubs, most of all the challenge of filling seats, Colangelo said.

58.   There was care, there was attention to detail, but mostly space flight, especially in the early days, involved risk.

59.   These searches for a cure, some analysts say, involve considerable risk.

60.   This outlook involves several risks.