First version of qanom datasets script
Browse files
qanom.py
ADDED
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# coding=utf-8
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# Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""A Dataset loading script for the QANom dataset (klein et. al., COLING 2000)."""
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import datasets
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from pathlib import Path
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import pandas as pd
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_CITATION = """\
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@inproceedings{klein2020qanom,
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title={QANom: Question-Answer driven SRL for Nominalizations},
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author={Klein, Ayal and Mamou, Jonathan and Pyatkin, Valentina and Stepanov, Daniela and He, Hangfeng and Roth, Dan and Zettlemoyer, Luke and Dagan, Ido},
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booktitle={Proceedings of the 28th International Conference on Computational Linguistics},
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pages={3069--3083},
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year={2020}
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}
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"""
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_DESCRIPTION = """\
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The dataset contains question-answer pairs to model predicate-argument structure of deverbal nominalizations.
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The questions start with wh-words (Who, What, Where, What, etc.) and contain a the verbal form of a nominalization from the sentence;
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the answers are phrases in the sentence.
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See the paper for details: QANom: Question-Answer driven SRL for Nominalizations (Klein et. al., COLING 2020)
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For previewing the QANom data along with the verbal annotations of QASRL, check out "https://browse.qasrl.org/".
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This dataset was annotated by selected workers from Amazon Mechanical Turk.
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"""
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_HOMEPAGE = "https://github.com/kleinay/QANom"
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_LICENSE = """MIT License
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Copyright (c) 2020 Ayal Klein (kleinay)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE."""
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_URLs = {
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"qanom_zip": "https://github.com/kleinay/QANom/raw/master/qanom_dataset.zip"
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}
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SpanFeatureType = datasets.Sequence(datasets.Value("int32"), length=2)
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# TODO: Name of the dataset usually match the script name with CamelCase instead of snake_case
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class Qanom(datasets.GeneratorBasedBuilder):
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"""QANom: Question-Answer driven SRL for Nominalizations corpus.
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Notice: This datasets genrally follows the format of `qa_srl` and `kleinay\qa_srl2018` datasets.
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However, it extends Features to include "is_verbal" and "verb_form" fields (required for nominalizations).
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In addition, and most critically, unlike these verbal qasrl datasets, in the qanom datset some examples
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are for canidate nominalization which are judged to be non-predicates ("is_verbal"==False) or predicates with no QAs.
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In these cases, the qa fields (question, answers, answer_ranges) would be empty lists. """
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VERSION = datasets.Version("1.0.0")
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BUILDER_CONFIGS = [
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datasets.BuilderConfig(
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name="plain_text", version=VERSION, description="This provides the QANom dataset"
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),
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]
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DEFAULT_CONFIG_NAME = (
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"plain_text" # It's not mandatory to have a default configuration. Just use one if it make sense.
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)
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def _info(self):
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features = datasets.Features(
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{
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"sentence": datasets.Value("string"),
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"sent_id": datasets.Value("string"),
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"predicate_idx": datasets.Value("int32"),
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"predicate": datasets.Value("string"),
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"is_verbal": datasets.Value("bool"),
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"verb_form": datasets.Value("string"),
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"question": datasets.Sequence(datasets.Value("string")),
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"answers": datasets.Sequence(datasets.Value("string")),
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"answer_ranges": datasets.Sequence(SpanFeatureType)
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}
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)
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return datasets.DatasetInfo(
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# This is the description that will appear on the datasets page.
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description=_DESCRIPTION,
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# This defines the different columns of the dataset and their types
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features=features, # Here we define them above because they are different between the two configurations
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# If there's a common (input, target) tuple from the features,
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# specify them here. They'll be used if as_supervised=True in
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# builder.as_dataset.
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supervised_keys=None,
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# Homepage of the dataset for documentation
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homepage=_HOMEPAGE,
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# License for the dataset if available
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license=_LICENSE,
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# Citation for the dataset
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citation=_CITATION,
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)
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def _prepare_wiktionary_verb_inflections(self, dl_manager):
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wiktionary_url = "https://raw.githubusercontent.com/nafitzgerald/nrl-qasrl/master/data/wiktionary/en_verb_inflections.txt"
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wiktionary_path = dl_manager.download(wiktionary_url)
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verb_map = {}
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with open(wiktionary_path, 'r', encoding="utf-8") as f:
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for l in f.readlines():
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inflections = l.strip().split('\t')
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stem, presentsingular3rd, presentparticiple, past, pastparticiple = inflections
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for inf in inflections:
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verb_map[inf] = {"Stem" : stem, "PresentSingular3rd" : presentsingular3rd, "PresentParticiple":presentparticiple, "Past":past, "PastParticiple":pastparticiple}
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self.verb_inflections = verb_map
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def _split_generators(self, dl_manager: datasets.utils.download_manager.DownloadManager):
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"""Returns SplitGenerators."""
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# prepare wiktionary for verb inflections inside 'self.verb_inflections'
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self._prepare_wiktionary_verb_inflections(dl_manager)
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corpus_base_path = Path(dl_manager.download_and_extract(_URLs["qanom_zip"]))
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return [
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datasets.SplitGenerator(
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name=datasets.Split.TRAIN,
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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepath": corpus_base_path / "annot.train.csv",
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},
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),
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datasets.SplitGenerator(
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name=datasets.Split.VALIDATION,
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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepath": corpus_base_path / "annot.dev.csv",
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},
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),
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datasets.SplitGenerator(
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name=datasets.Split.TEST,
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# These kwargs will be passed to _generate_examples
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gen_kwargs={
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"filepath": corpus_base_path / "annot.test.csv",
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},
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),
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]
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@classmethod
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def span_from_str(cls, s:str):
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start, end = s.split(":")
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return [int(start), int(end)]
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def _generate_examples(self, filepath):
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""" Yields examples from a 'annot.?.csv' file in QANom's format."""
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df = pd.read_csv(filepath)
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for counter, row in df.iterrows():
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# Each record (row) in csv is a QA or is stating a predicate/non-predicate with no QAs
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# Prepare question (slots)
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na_to_underscore = lambda s: "_" if pd.isna(s) else str(s)
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question = [] if pd.isna(row.question) else list(map(na_to_underscore, [
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row.wh, row.aux, row.subj, row.verb_slot_inflection, row.obj, row.prep, row.obj2
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])) + ['?']
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# fix verb slot - replace with actual verb inflection, and prepend verb_prefix
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if question:
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if row.verb_form in self.verb_inflections and not pd.isna(row.verb_slot_inflection):
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verb_surface = self.verb_inflections[row.verb_form][row.verb_slot_inflection]
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else:
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verb_surface = row.verb_form
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if not pd.isna(row.verb_prefix):
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verb_surface = row.verb_prefix + " " + verb_surface
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question[3] = verb_surface
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answers = [] if pd.isna(row.answer) else row.answer.split("~!~")
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answer_ranges = [] if pd.isna(row.answer_range) else [Qanom.span_from_str(s) for s in row.answer_range.split("~!~")]
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yield counter, {
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"sentence": row.sentence,
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"sent_id": row.qasrl_id,
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"predicate_idx": row.target_idx,
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"predicate": row.noun,
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"is_verbal": row.is_verbal,
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"verb_form": row.verb_form,
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"question": question,
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"answers": answers,
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"answer_ranges": answer_ranges
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}
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