$3-2.$ Motions. When and for what purpose is each of the following motions made? Which of them would be appropriate if a defendant claimed that the only issue between the parties was a question of law and that the law worable to the defendant's position? $($See Pretrial Procedures.$)$

$($a$)$ A motion for judgment on the pleadings.

$($b$)$ A motion for a directed verdict.

$($c$)$ A motion for summary judgment.

$($d$)$ A motion for judgment n$.$o$.$v$.$