Does drinking lead to smoking?  
OCT
01

Drink @ parties Drink Smoke Smoke @ parties
yes yes yes yes
no no no no
no no no no
yes yes yes yes
no no no no
no no no no
no no no no
yes yes yes yes
no no yes yes
no no no no
no no no no
no no no no
no no no no
yes yes yes yes
no no no no
no no yes yes
yes yes yes yes
no no no no
no no no no
no no no no
no no no no
no no no no
no no no no
yes yes no no
yes yes yes yes
no no no no
yes yes no no
yes no no no
yes yes no no

 

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