singlet

"The plurality of students in the school cafeteria shows how popular lunch time is. "

"The teacher isolated the student who was disruptive, placing him in a separate room. "

"Any painter can benefit from the presence of a live model from which to draw."

"My sister is very helpful, especially when it comes to organizing things. "

"She is occupying her time with reading while waiting for the bus. "

"The underneath of the aircraft was painted blue."

"The responsible for the project is Maria. "

"Simple sentence: "The light bulb works because electrons flow through the wire, creating electricity." "

"They completed the first series perfectly."

"My sister wore a sleeveless top to the picnic. "

"The astrophysicist noticed that the yellow spectral line of sodium was actually a multiplet, indicating the presence of closely spaced energy levels within the atom. "

"The guard blew his whistle to indicate imminent departure."