But while Microsoft 's share of the low-end server software market has increased since the EU 's investigation started five years ago , the firm has denied anti-competitive practices are to blame .
Microsoft 's share of the low-end server software market has increased since the probe started five years ago , but the firm denied anti-competitive practices were the reason for this .
(See options at the end). If the first sentence is true, is the second one also true?
Choices:
(a). no.
(b). yes.
(b).