No.
The abstract nouns in the sentence are idea and problem.
Abstract.
-too fast/slow to dance to -instrumentally abstract, singing could not be incorporated -irregular and abstract beats
An idea that is not concrete.
The noun idea is an abstract noun itself; other examples are thought, concept, or hypothesis.
The noun 'fear' is an abstract noun; a word for an emotion; a word for a thing.An abstract noun is sometimes referred to as an 'idea noun'.
Some people use the term 'idea noun' for an abstract noun.
Yes, the noun 'question' is an abstract noun, a word for an idea, a word for a concept.
Abstract nouns are sometimes called 'special nouns' or 'idea nouns'.
active
An abstract term is a term which expresses an abstract idea, or, in the field of taxonomy, a name for an order, genus, or species for which there is a combination of similar qualities.
Example sentence: My brilliant idea is actually being considered by the board of directors.The simple subject: idea (an abstract noun)The complete subject: my brilliant idea