A man with a beard is talking on the cellphone and standing next to someone who is lying down on the street.
A man is prone on the street while another man stands next to him.
"standing next to someone who is lying down on the street" is inferred as "prone on the street"
A man prone on the street is lying down.
A man on the street on the street while another man stands next to him with a beard is talking on the cellphone and standing next to someone who is lying down on the street.