Answer:
a special kind of semantic ambiguity.
Explanation:
Semantic ambiguity is defined as a situation where a word in a sentence is taken out of context or can mean different things.
Grouping ambiguity occurs when the meaning of a sentence is affected as the result of a word or phrase. The word or phrase is ambiguous. It is not clear if a claim is taken collectively or individually in the sentence.
Therefore group ambiguity is a special type of semantic ambiguity