$-$Which relationships exhibit:a$.$Total participation of each entity typeb. Partial participation of each entity typeC.Total participation of one entity type and partial participation of the second entity typePlease designate the name of the relationship tvpe as opposed to the entity types that participate in the relationship type$\mathrm{.}2.$ Answer the following true$-$false questions.a$.$Each flight must have at least one reservationb.Each service must be associated with exactly one aircraft and exactly one technicianC.It is possible for a reservation to be associated with more than one flight.d$.$ It is possible for a flight to have more than one connectione. The attribute Cost reflects the cost associated with the technicians performing a particular service