Before lifting weights he liked to warm up on the squash court, he really enjoyed the facilities of the what?\nOptions:\n- swimming pool\n- rich person's house\n- country club\n- fitness center\n- park
A step-by-step solution is:
fitness center
At fitness center, a person can do weight lifting and other exercises.

Before lifting weights he liked to warm up on the squash court as he really enjoyed the facilities of the fitness center.

.

Thus, the answer is fitness center