Answer:
Syntax.
Explanation:
Syntax may be defined as the set of the principles, processes and rules of the structure of sentence. This includes the word order also while communicating in a language.
Gunther tries to communicate with people but he does not able to frame the words in the complete sentences. He places the word in the wrong order. Gunther's has used the incorrect use of syntax that decreases his attempt to communicate with the other's people.
Thus, the answer is syntax.
