The interpreter must be done in C

Also, I need the interpreter to be able to detect the following errors highlighted in yellow in these inputs:

Project Description Design and implement an interpreter that executes the code written in LAO language The statements in LAO language are ::-REM REM - . PRINT PRINT | PRINT PRINT ::-READ . - IF THEN : END Where: - | ::= a-z | A-Z real> integer> :-= | Sunsign integer> | - | decimal part>- -. Cexponent part> exponent> ::= e | E := + I- ::= "any string>" I "" any string>any sequence of characters> relational operator>:- .gt. | .lt.| .eq. | .ge. | .le. | .ne. .or. | .and. |.not. -Kassignment statement> | |