"According to Ayer's Criterion of Verifiability, a sentence is meaningful if and only if one of the following is true of

[correctanswer]

"According to Ayer's Criterion of Verifiability, a
sentence is meaningful if and only if one of the following is true
of it: (a) it is true in virtue of its logical structure; (b)
it is a definition of a word or concept; (c) it is a sentence that
directly describes immediate sensory experience; or (d) it is a
sentence that can be be reduced to a set of sentences directly
describing immediate sensory experience all by itself, without the
help of any additional premise."
What is wrong with this statement of Ayer's Criterion of
Verifiability?
Point (b) is wrong
Point (d) is wrong
Point (c) is wrong
Nothing is wrong with this statement of Ayer's Criterion of
Verifiability
Point (a) is wrong