State the intermolecular forces of polyamides and polyesters respectively

Question

$\begin{array}{1 1}(a)\;\text{hydrogen bonding & hydrogen bonding }\\(b)\; \text{dipole-dipole interaction & dipole-dipole interaction}\\(c)\;\text{dipole-dipole interaction & hydrogen bonding}\\(d)\;\text{hydrogen bonding & dipole-dipole interaction}\end{array}$