You are searching for a web service that could be used to get the expected search volume of keywords for an online advertising platform. Before choosing the web service, your team wants to split web services into different categories.

Some web services lack proper documentation. Which documentation looks like it's describing RESTful APIs and which looks like it's describing SOAP-based web services?

Looks like?	Documentation that describes getting the search volume of a keyword
___	https://searchvolume.com/api/KeywordSearchVolumeService?wsdl
___	Response: `{ "keyword": "rio de janeiro hotels", "volume": 10000 }`
___	POST https://words.com/api/KeywordSearchVolumeService Envelope body: `<m:GetSearchVolume xmlns:m = "http://www.words.com/searchkeywordsvolume"> <m:Keyword>brazilian carnival</m:Keyword> </m:GetSearchVolume>`
___	GET https://keywords.com/api/KeywordsService/searchvolumes?query=copacabana