Consider the following grammar for Pascal variable declarations:. -> VAR -> SEM | -> COLON ID -> COMMA ID | IDIndicate any problems in this grammar that prevent it from being parsed by a recursive-descent parser with one token lookahead. Transform this grammar into a form that can be parsed with a recursive-descent parser with one token lookahead. Make as few changes to the grammar as possible. Do not use Extended BNF.

Why is it uncommon for users to perform searches directly in database tables? a.)users are discouraged from interacting directly with tables because they might confuse tables with spreadsheets. b.) users are discouraged from interacting directly with tables because this may result in unintended changes to source data. c.)users do not have the technical skills required to perform searches directly in database tables. d.)users do not have the permissions required to perform searches directly in database tables.