Two people are crossing the street, even though the sign says they should not be.
The people are disobeying the warning sign.
The people are at the park, sitting on the grass enjoying a picnic
The computer broke down in September.
The city situated at the transitional point between the Nile Valley and Nile Delta is the largest in Africa.
The two girls both have acne.
A dog is barking at a cat.
There should be no case study involving a program.
The men are singing in the rain.