Kelsey wanted to add to the conversation, but she wanted to be ________ and didn't want to add any noise to the conversation as the people talking in the debate were considered experts in the field. She didn't want to ask any ignorant or mis-informed questions.
Alex and Logan were having fun at the party speaking to the dj while he was playing music, but Logan didn't want to add any small talk or anecdotes that weren't funny into the conversation. She wanted to be ________
I only want people who are ________ on my Q&A website. Too many idiots contribute opinions when they don't know anything on the topic. They don't consider the factors from the opposing side, just their own.