gistfile1.py

from django.db import models

class Activity(models.Model):
    name = models.CharField(max_length=50, verbose_name="Name of Activity")

class Person(models.Model):
    name = models.CharField(max_length=50, verbose_name="Person's name")
    address = models.CharField(max_length=255)
    info = models.TextField(verbose_name="Info on Person")
    hobby = models.ForeignKey(Activity)