A person playing a guitar with a capo on the second fret.
A person is playing guitar.
A person is cooking while playing the guitar.
A man at an event has red hair.
Someone is buying a flower from a sidewalk flower vendor.
Two people sitting
The payroll system may make mistakes if it does not have all the information it needs.
Screening research is desirable since little is known about certain sub-populations and how they respond.
It was risky for him to come here.