class_docstr: Transforms input by common abbreviations.
  
  Each sample generate one transformed sample at most.
  
  Example::
  
         "we're playing ping pang ball, you are so lazy. She's so beautiful!"
  
      >> "we are playing ping pang ball, you're so lazy. She is so beautiful!"
code: def __repr__(self):
      return "Contraction"
  
file_path: textflint/textflint/generation/transformation/UT/contraction.py
imports: from ...transformation import Transformation
  from ....common.settings import CONTRACTION_PHRASES
label_desc: Use image node_id 2 for calling the Contraction obj's underlying member method code with example usage: obj.__repr__() and returns: str