Thanks in advance for your help.

]]>In column E, E2 or E5 must be 1.

In row 9, B9 can’t be 3. So D9 or F9 must be 3, which means E8 can’t be 3. This means E2 or E5 must be 3.

So (E2,E5) make a naked pair that use up the 1 and 3, leaving the 8 for E8.

]]>