code: def __init__(self, semiring=LogSemiring):
      self.semiring = semiring
  
imports: import torch_struct
  import torch
  from torch_struct import LogSemiring
  import itertools
  from hypothesis.strategies import integers, composite, floats
  from hypothesis.extra.numpy import arrays
  import numpy
label_desc: Use image node_id 1 to create a new AlignmentTest object  with example: obj = AlignmentTest(semiring)