Whole year status

I have a divorce decree that states I can claim my children every other year, however I have a question as to what I'm supposed to put when the question asks, " Did they live with you the whole year", they obviously did not so what do I put there? I only have one son who lives with me most of the year because our visitation is different, he comes to my home 4 nights one week through the weekend and then one night the alternating week. How do I determine his ? I hope this makes sense. I just want an easy answer, please don't go into the form 8332 or tax information I'm aware of all this, just need an answer to thi .