Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
Defective out of the box:
 1. The clock would not set, and
 2. A side seam in the case was bulged (probably due to careless assembly).

I'll be exchanging this unit for another.  I plan to update this review on receipt of the replacement.

6/12/15 Update:
Received the replacement.  Intermittent problems with its keypad and occasional changes in its alarm loudness.

I returned it for credit.

Options:
A: very positive
B: positive
C: neutral
D: negative
E: very negative
Answer: E: very negative