Regress the clаssificаtiоn lаbels in the training set оn the wоrds, pair of words, triplet of consecutive words in the target sentence. In the space below, report the following: a. Shape of the data and show that the number of variables exceeds the number of variables in part 1a. (8 points) b. Intercept and coefficients for words and combinations of words. (6 points) c. Which coefficient(s) are statistically significant. (6 points)