Consider three binary variables: B$1,$B$2$ andB$3$ where each show whether products $1,2$ and $3$ are produced or not, respectively. Which constraint states that if product $3$ is produced, then product $1$ and$/$or product $2$ should also be produced.?

a$.$ B$1+$B$2-$B$30$

b$.B1+B2+B32$

c$.B1-B2-B30$

d$.B1+B2+B32$