#include <algorithm>
#include <iostream>
#include <iterator>
#include <sstream>
#include <string>
#include <vector>
 
using namespace std;
 
int main() {
	const vector<string> strmatch{ "Seven"s, "seven"s, "fleas"s, "Fleas"s };
	istringstream fin{ "My dog has fleas in his weak knees. This is a line.  The paragraph is ending.\nFleas is a word to be matched.  here is another line.  The paragraph is ending." };
 
	string paragraph;
	string sentence;
 
	for(auto p = 1; getline(fin, paragraph, '\n'); ++p) {
	    istringstream sentences{ paragraph };
 
	    for(auto s = 1; getline(sentences, sentence, '.'); ++s) {
	        istringstream words{ sentence };
 
	        for_each(istream_iterator<string>(words), istream_iterator<string>(), [&, i = 1](const auto& word) mutable { cout << 'w' << i++ << ", p" << p << ", s" << s << (find(cbegin(strmatch), cend(strmatch), word) == cend(strmatch) ? ", word, " : ", namedEntity, ") << word << endl; });
	    }
	}
}

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