Concepts: atom, element, number, proton
A: atoms each atom of a specific element has the same number of protons in its nucleus .
Concepts: fire, firefighter, scene
A: firefighters on the scene of a fire
Concepts: dancing, entertain, hotel
A: young fans entertained themselves with some dancing outside hotel .
Concepts: body, part, tattoo
A:
tattoos on various parts of the body