article: Dear students,
  This Sunday we want to help the old people at Sun Old People's Home. If you're free, please join us.
  Students Wanted for Sun Old People's Home
  Place: Sun Old People's Home
  Time: 9:00 a.m. - 1:00 p.m. on Sunday
  The number of students in every group: Twelve
  Work to do:
  Group 1: Clean their rooms and wash   their clothes.
  Group 2: Play Chinese chess with the old people.
  Group 3: Sing and dance to make the old people happy.
  Group 4: Tell them stories and take a walk with them.
  ,.
question: What don't the students need to do for the old people?
options: Wash clothes for them. Make dinner for them. Tell them stories. Take a walk with them.