1535q

alibi
Buck arranges an alibi for himself.
Buck arranges an alibi for Mary.
Buck falsifies an alibi for Mary, who is guilty.
Buck falsifies an alibi for Mary, who is guilty but who he believes to be innocent.
Buck falsifies an alibi for Mary, who is innocent.
Buck falsifies an alibi for Mary, who is innocent but who he believes to be guilty.
[[1535q