1. What is a language model? Discuss the advantage and disadvantage of different language 2. What are the different techniques to validate a language model? Discuss the advantage 3. 4. Comp models? How can we use them collaboratively? Give examples and discuss in detail and dis antages of each techniques. Discuss une advantages and disadvantages of the smoothing techniques studied in the course? Give examples on how to apply? ute the Levenshtein minimum edit distance between "Interpolation" and "Interpretation". Use the backtrace algorithm to show the alignment between the two word. All details and computation are required