a. Angela tried to show the way to the gallery  in charge ofby mistakeby means ofin detailin the middle of sign language.
b. I noticed him  in charge ofby mistakein detailby means ofin the middle of the bustling crowd.
c. Dan described the festival  by means ofin detailby mistakein the middle ofin charge of . He likes such events.
d. My brother is  in detailby mistakein the middle ofby means ofin charge of the event’s promotion for the following year.
e. The organisers left three people off the list -5 and they were unable to attend the event.