stamped	found_coin	gender	mailed_letter
no	coin	male	yes
no	coin	male	yes
no	coin	male	yes
no	coin	male	yes
no	coin	male	no
no	coin	female	yes
no	coin	female	yes
no	coin	female	yes
no	no_coin	male	no
no	no_coin	male	no
no	no_coin	male	no
no	no_coin	male	no
no	no_coin	male	no
no	no_coin	male	no
no	no_coin	female	yes
no	no_coin	female	no
no	no_coin	female	no
no	no_coin	female	no
yes	coin	male	yes
yes	coin	male	yes
yes	coin	male	yes
yes	coin	male	yes
yes	coin	male	yes
yes	coin	male	yes
yes	coin	male	no
yes	coin	female	yes
yes	coin	female	yes
yes	coin	female	yes
yes	coin	female	yes
yes	no_coin	male	yes
yes	no_coin	male	yes
yes	no_coin	male	yes
yes	no_coin	male	yes
yes	no_coin	male	no
yes	no_coin	male	no
yes	no_coin	male	no
yes	no_coin	male	no
yes	no_coin	female	no
yes	no_coin	female	no
yes	no_coin	female	no
yes	no_coin	female	no
yes	no_coin	female	no