The three instances of sentences, which are not articulations are given beneath:

(I) He is a specialist

In the given sentence, it isn’t apparent concerning whom ‘he’ is alluded to. Hence, it is not a statement

(ii) Geometry is troublesome

For certain individuals, math can be simple and for some others, it very well may be troublesome. Hence, it is not a statement.

(iii) Where is she going?

In this inquiry, it isn’t apparent as whom ‘she’ is alluded to. Hence, it is not a statement.