They're probably looking for false, but to be honest, I use it in my writing sometimes. It depends on the setting and character, or it should be specified as slang in nonfiction writing.
The sign for ‘hold’ is with the S handshape.
Answer:
FORMAL LANGUAGE
EXPLANATION:
There are 2 types of language styles: formal language and informal language.
Formal language is characterized by more complex vocabulary, longer sentences, use of complex structures, avoidance of use of personal pronouns and slangs or colloquial words.
Informal language uses shorter day to day sentences, personal pronouns, slangs, less complex vocabulary and sentences and colloquial terms or slangs.
