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Given a text, write a compressed version of it in a single sentence.

Linguists examining Classical Greek, Latin, German, English, Slavic, Swedish, Norwegian, Danish, Dutch, Lithuanian, Iranian, Hindi, and the other languages of India and Europe found that there were correspondences among many of the common words.
Output:
Linguists examining Indo-European languages, and the other languages of India and Europe found that there were correspondences among many of the common words.