2 data objects (function shares) from FunSSSharing task
1 data object (secret function)
Restriction: task must have at exactly two input and one output data objects
Error: exactly 2 inputs and 1 output are required
Restriction: both input data objects (function shares) must be outputs of the same FunSSSharing task
Error: both input function shares must originate from the same task with FunSSSharing stereotype
Restriction: names of input data objects must be different
Error: input function shares must be different