What is the context of Psalms 127:4-5?

• A Prayer for Protection and Prosperity (Psalms 127:1-5 true)
• Prosperity Comes from the Lord . (Psalms 127:1-5 true)
• God’s Blessing in the Family (Psalms 127:1-5 true)
• Laboring and Prospering with the Lord (Psalms 127:1-5 true)
• The Blessing of the Lord (Psalms 127:1-5 true)
• Unless the Lord Builds the House (Psalms 127:1-5 true)