What is the most precise definition of a sentence-template as used for requirements?

Starting from an informal and unstructured description of the facts, semiformal description techniques attempt to take a step in the direction of formality, for example to prevent misunderstandings. One of the semiformal description techniques is the sentence-template.

What is the most precise definition of a sentence-template as used for requirements? (1 Point)
A . A sentence-template is a blueprint for a requirement.
B. A sentence-template is a blueprint for the semantic filling of the individual requirement elements.
C. A sentence-template is a blueprint for the syntax and semantics of a requirement.
D. A sentence-template is a blueprint for the syntactical structure of an individual requirement.

Answer: D