Biology
https://openalex.org/C86803240
https://www.wikidata.org/wiki/Q420
Embryonic stem cell
https://openalex.org/C145103041
https://www.wikidata.org/wiki/Q1151519
Endoderm
https://openalex.org/C2777164004
https://www.wikidata.org/wiki/Q331858
Germ layer
https://openalex.org/C18155467
https://www.wikidata.org/wiki/Q660498
Cell biology
https://openalex.org/C95444343
https://www.wikidata.org/wiki/Q7141
Ectoderm
https://openalex.org/C2779329299
https://www.wikidata.org/wiki/Q272474
Stem cell
https://openalex.org/C28328180
https://www.wikidata.org/wiki/Q48196
Amniotic epithelial cells
https://openalex.org/C138851942
https://www.wikidata.org/wiki/Q4747406
Blastocyst
https://openalex.org/C2778177303
https://www.wikidata.org/wiki/Q227717
Inner cell mass
https://openalex.org/C159399396
https://www.wikidata.org/wiki/Q1335221
Mesoderm
https://openalex.org/C2780915607
https://www.wikidata.org/wiki/Q323438
Epithelium
https://openalex.org/C529295009
https://www.wikidata.org/wiki/Q41301
Embryoid body
https://openalex.org/C143948831
https://www.wikidata.org/wiki/Q3384920
Adult stem cell
https://openalex.org/C20875687
https://www.wikidata.org/wiki/Q2642600
Induced pluripotent stem cell
https://openalex.org/C107459253
https://www.wikidata.org/wiki/Q674925
Anatomy
https://openalex.org/C105702510
https://www.wikidata.org/wiki/Q514
Indicating missing, weak, or contradictory evidence
Previous studies have failed to
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Cell biology".
Paper: "Jak-STAT Pathways and Transcriptional Activation in Response to IFNs and Other Extracellular Signaling Proteins"
Function: "Indicating missing, weak, or contradictory evidence".
Example Sentence: "Previous studies have failed to". [/INST]