D$.$ MESSAGE ANALYSIS: Carefully analyze the e$-$mail message below, using the techniques we discussed in class. $($The subject line is effective as written.$)$ For the question below $($in bold$),$ select the most appropriate answer. $(3$ points$)$

TO: All Employees

SUBJECT: New Accounting Supervisor at KBL Toys, Starting August $4$

$(1)$ Please welcome Carly Jamison, our new accounting supervisor, to our KBL team! $(2)$ Carly will begin work here on Monday, August $4.(3)$ You will definitely enjoy having her on our team.

$(4)$ Carly earned her master's degree from Sacramento State last year. $(5)$ There, she received the Dean's Award for Excellence. $(6)$ Carly is excited to be with KBL$.$

$(7)$ We have planned a welcome luncheon for Thursday, August $14,$ at noon. $(8)$ KBL will utilize the large dining room for this. $(9)$ Please contact Sandy $($extension $3410)$ for a reservation at your earliest convenience.

Which of the following sentences use$($s$)$ a concrete noun as simple subject?

Sentence $2$

Sentence $4$

Sentence $6$

$($all of the above$)$