Part IV: Grammars and Derivations Use the following production rules to determine whether or not each of the associated strings is valid. Show the transformations or provide adequate explanation N S, A, E) T- fa, b, e) Start S 1. S->SA 2. AbSe 3. A--> be 4. S-->E 5. E-> Eea (b) baeaea (c) Is this grammar context-sensitive or context free and why