A man holds up a sign that reads 'tattoo' as many people walk near him.
A man is holding a tattoo sign.
Holds up is a subset of holding, sign that reads 'tattoo' is a rephrasing of tattoo sign.
A MAN CAN HOLD A TATTOO SIGN IN THE STREET
Holds and holding are the same action in different form.  A sign that reads 'tattoo' is a tattoo sign.