Each of the following sets of propositions can serve as premises for a valid sorites.  For each, find the conclusion and establish that the argument is valid.

(1) When I work a logic example without grumbling, you may be sure it is one that I can understand.
(2) These sorites are not arranged in regular order, like the examples I am used to.
(3) No easy example ever makes my head ache.
(4) I can’t understand examples that are not arranged in regular order, like those I am used to.
(5) I never grumble at an example, unless it gives me a headache.