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sql combining two rows into one

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I have the following table;

personal_reference
----------------------------
application_id | name_full | relationship
---------------------------------------------------
100                 | bob knight | coach
100                 | martha S   | mentor


the appliction_id is the same and I need to get the following results for all entries in the table;

application_id | name_full | relation | name_full2 | relation2
--------------------------------------------------------------------------
100                 | bob knight | coach  | martha S   | mentor

I have tried several different methods with no success.  This is the closest I have gotten with the attached code snippet but it does it twice.

application_id | name_full | relation | name_full2 | relation2
--------------------------------------------------------------------------
100                 | bob knight | coach   | martha S   | mentor
100                 | martha S   | mentor | bob knight | coach  
1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
select personal_reference1.application_id,
         personal_reference1.name_full as name_full1,
         personal_reference1.relationship as relationship1,
         personal_reference2.name_full as name_full2,
         personal_reference2.relationship as relationship2
        from personal_reference personal_reference1
inner join personal_reference personal_reference2
     on personal_reference1.application_id = personal_reference2.application_id
and personal_reference1.name_full <> personal_reference2.name_full
and personal_reference1.relationship <> personal_reference2.relationship
         ORDER BY
      personal_reference1.application_id
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