Tf-idf is a statistical technique frequently used in Machine Learning domains such as text-summarization and classification. Tf-idf measures the relevance of a word in a document compared to the entire corpus of documents. You have a corpus (D) containing the following documents: Document 1 (d1) : “A quick brown fox jumps over the lazy dog. What a fox!” Document 2 (d2) : “A quick brown fox jumps over the lazy fox. What a fox!” Which of the following statements is correct?