Which of the following sentences could be included in an objective summary?

Josephina is a strong and stubborn main character.
Josephina was brave to travel on a train to see her brother.
Josephina traveled for three days to visit her brother in Arizona.
Josephina’s suitcase was made of brown fabric with frayed edges.

Josephina traveled for three days to visit her brother in Arizona.

What kinds of differences may exist between a diverse group of people?

different names
different pets
different ages or cultural backgrounds
a different number of siblings

Different names, different pets, different ages or cultural backgrounds, and a different number of siblings are all examples of differences that may exist between a diverse group of people.