Which of the following rulings is most likely to cite the Supreme Court's decision in Tinker v. Des Moines Independent Community School District (1969) as a legal precedent in support of the decision?

(A) A ruling in favor of students to print their opinions in a school newspaper
(B) A ruling against a public school's practice of having prayer at school assemblies
(C) A ruling supporting the creation of gun-free zones in public schools
(D) A ruling enforcing mandatory vaccinations for all children before attending school