Answer:
a) Proton
Explanation:
Proton belongs to the family of particles known as hadrons ,further classified as a baryon/hyperon.
Electron belongs to the family of particles known as fermions, further classified as a lepton.
Anti top quark belongs to the family of particles known as fermions, further classified as a quark.
Gluon belongs to the family of particles known as bosons, further classified as a guage.
Tau Neutrino belongs to the family of particles known as fermions, further classified as a lepton.