How to smoke in your house without people knowing<br>Open a window or fireplace duct. Before you start smoking, it's very important you give the smoke an exit to escape. Without an open window or duct, the smoke will linger in the room and your health will be at risk.
If you open a window or fireplace duct before you start smoking, you will be healthy.
( z1 healthy :domain ( z2 you ) :condition ( z3 open :ARG0 z2 :ARG1 ( z4 or :op ( z5 window ) :op ( z6 duct :mod ( z7 fireplace ) ) ) :time ( z8 before :op ( z9 start :ARG0 z2 :ARG1 ( z10 smoke :ARG0 z2 ) ) ) ) )