question: As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is ()
  Choices:
  A:1cm
  B:2cm
  C:3cm
  D:4cm
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is ()
  Choices:
  A:1cm
  B:2cm
  C:3cm
  D:4cm
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is ()
  Choices:
  A:1cm
  B:2cm
  C:3cm
  D:4cm
question_for_eval: As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is ()
  Choices:
  A:1cm
  B:2cm
  C:3cm
  D:4cm