// Initial Definitions identifier := \w+

command := comment command := assignment command := loop command := show command := selection command := command command

program := command

// Requirement 1a boolean := true boolean := false boolean := not boolean boolean := expression and expression boolean := expression or expression boolean := expression is_greater_than expression boolean := expression is_less_than expression boolean := expression equals expression

// Requirement 1b number := [0-9]+(.[0-9]+)?

expression := number expression := identifier expression := expression plus expression expression := expression minus expression expression := expression times expression expression := expression divided-by expression

// Requirement 1c word := identifier word := identifier word string := < word >

// Requirement 2 assignment := identifier stores expression assignment := identifier stores string assignment := identifier stores ternary

// Requirement 3a ternary := expression if boolean otherwise expression

// Requirement 3b if_statement := if boolean command move-on if_statement := if boolean command otherwise command move-on

// Requirement 4a loop_for := for identifier from expression to expression by expression command repeat

// Requirement 4b loop_while := while boolean command repeat

// Requirement 4c loop_for := for identifier from expression to expression command repeat

// Requirement 5 print := show string print := show number print := show identifier

// Other Features: Comments comment := fyi string \n