Q$5.$ Consider the following two reference translations R$1$ and R$2$ produced by human experts, and the candidate translation $Cl$ produced by our translation system. Calculate the unigram precision $($BLEU$).$

$[4$M$]$

R$1$: And, when you want something, all the universe conspires in helping you to achieve it$.$

$R2$ : There is only one thing that makes a dream impossible to achieve: the fear of failure

C$1$: Do not waste your time with explanations: people only hear what they want to hear.

Q$6.$ Consider the following image has two objects namely obj$1$ and obj$2.$ Assume that ground truth bounding boxes are represented in solid line and predicted bounding boxes are represented in dashed line. Also assume that IoU threshold is $70\%.$ Calculate Precision, Recall and F$1-$

$[8$M$]$

score.