jQuery Chaining Interview question

Which one of the following will break the chain and Why?
A-

$(…)
.html('Breaks chain')
.addClass('chainbreaker')

B-

$(…)
.html()
.addClass('chainbreaker')

Solution:
In A, .html('Breaks chain') behaves like a setter and returns object, on which .addClass(…) adds the given class. But in B, .html() behaves like a getter and returns a string, on which .addClass(…) methods fails to perform and gives runtime error.