class_docstr: Transforms the input sentence by removing a subordinate clause.
  
  Example::
  
      original: "The bill intends to restrict the RTC to
          Treasury borrowings only, unless the agency receives
          specific congressional authorization."
      transformed: "The bill intends to restrict the RTC to
          Treasury borrowings only."
code: def __repr__(self):
      return "DeleteSubtree"
  
imports: from ..transformation import Transformation
label_desc: Use image node_id 1 for calling the DeleteSubTree obj's underlying member method code with example usage: obj.__repr__() and returns: str