Argument B

P$1$: Either this tree must be an evergreen tree, or else it is not a sequola.

P$2$: This tree is not a sequoia.

C: So$,$ this tree must not be an evergreen.

Form of Argument B

P$1$: Either $E$ or $N.$

P$2$: N$.$

C: $,$ Not E$.$

Argument B

a formal fallacy.