51.   Doctors have been trying to wean Papandreou from the respirator for several days but sources said his atrophied lungs have complicated that task.

52.   Fresh rains fell overnight, complicating the task.

53.   He noted that stalkers can use computers at libraries, universities and cyber-cafes, complicating the task of tracing e-mails.

54.   However, the U.S. missile strike on Iraq has complicated the task, Branson said.

55.   His task was complicated by the draw, which put him in the toughest quarter of the tournament.

56.   Logistics and a shortage of time also complicate the task of staging a fair ballot.

57.   Rescuers worked through the night to contact the group, with fresh rain complicated the task.

58.   The trend toward importing food from countries with different agricultural and meat regulations complicates the task of keeping food safe.

59.   The task is complicated by popular anger, which threatens to respond with violence against the remnants of the military who ruled them by violence for three years.

60.   The task is complicated by widespread publicity and tensions generated by the racially explosive case.