Problem #4: remove the  productions from the following grammars. (note that a single  production from the start symbol is allowed.) a) sab |  aaasb | a bbs

Write a method that accepts a string object as an argument and returns the number of words it contains. for instance, if the argument is "four score and seven years ago", the method should return the number 6. demonstrate the method in a program that asks the user to input a string and then passes that string into the method, printing out whatever the method returns.

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.

language consists of basic components, and they are called a. 3; mental images, concepts, and speech b. 2; language acquisition and linguistic relativity c. 3; heuristics, algorithms, and analogies d. 4; phonemes, morphemes, syntax, and semantics e. 2; words and grammar