3-Bromo-1-phenyl-1-propene Shows a complex NMR spectrum in which the vinylic proton at C2 is coupled with both

Question:

3-Bromo-1-phenyl-1-propene Shows a complex NMR spectrum in which the vinylic proton at C2 is coupled with both the Cl vinylic proton (J = 16 Hz) and the C3 rnethylene protons (J = 8Hz). Draw a tree diagram for the C2 proton signal, and account for the fact that a five-line multiplet isobserved.