Entities of the same entity type related to each other. The above examples are Unary entities,and Relationships of Different Degrees $\_\_\_\_\_\_$

PERSON entity: one$-$to$-$one

EMPLOYEE entity: one$-$to$-$many

TEAM entity: one$-$to$-$one:

PERSON entity: one$-$to$-$may

EMPLOYEE entity: one$-$to$-$one

TEAM entity: one$-$to$-$one:

None of these

PERSON entity: one$-$to$-$may

EMPLOYEE entity: one$-$to$-$one

TEAM entity: one$-$to$-$many: