Objective: How do you make a paper leaf?

Which of the following solutions is more sound in terms of naive physics reasoning?

Pick your answer from:
(a). Gather up leaves from your yard. Place leaves on construction paper. Trace leaves with a pencil. Cut out the tracing with scissors.;
(b). Gather up leaves from your park. Place leaves on construction paper. Trace leaves with a pencil. Cut out the tracing with scissors.;
(a).