(Very difficult) TRY REACHING A CLERK w/ the GOOD NEWS: "Five Goals for Evangelism"

"One way to move toward sharing the Gospel is to start
by speaking of God's goodness to someone each day.
Speak about God to your spouse, a staff member, the
convenience store clerk or the bank teller. Tell
somebody about God's work in your life each day, and
sharing the Gospel may well become easier..."

http://m.lifeway.com/Article/pastor-FAITH-Five-Goals-for-Evangelism