you are likely to find Gift in/at/on Birthday. Gift would make you want to Thank. 
Work requires Concentrate. the last thing you do when you Work is Die. one thing you do when you Smoke is Die. 
Birthday <--AtLocation-- Gift --CausesDesire--> Thank 
Concentrate <--HasPrerequisite-- Work --HasLastSubevent--> Die <--HasSubevent-- Smoke 