human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "optimal strategy synthesis for request response games"
  Abstract: We show the existence and effective computability of optimal winning strategies for request-response games in case the quality of a play is measured by the limit superior of the mean accumulated waiting times between requests and their responses.

Connected through hyperedge HE-1 (induced by source paper "parameterized synthesis for fragments of first order logic over data words"):
  with members:
    - "synthesis of data word transducers"
    - "playing with repetitions in data words using energy games"
    - "bounded synthesis of register transducers"
    - "distributed synthesis for parameterized temporal logics"
    - "playing games in the baire space"
    - "automated synthesis of distributed controllers"
    - "petri games synthesis of distributed systems with causal memory"
    - "solving parity games on integer vectors"

Connected through hyperedge HE-2 (induced by source paper "a delayed promotion policy for parity games"):
  with members:
    - "oink an implementation and evaluation of modern parity game solvers"
    - "attracting tangles to solve parity games"
    - "robust exponential worst cases for divide et impera algorithms for parity games"
    - "an ordered approach to solving parity games in quasi polynomial time and quasi linear space"
    - "succinct progress measures for solving parity games"
    - "reasoning about strategies on the satisfiability problem"
    - "symmetric strategy improvement"
    - "reasoning about strategies on the model checking problem"

Connected through hyperedge HE-3 (induced by source paper "easy to win hard to master optimal strategies in parity games with costs"):
  with members:
    - "first cycle games"
    - "parametric linear dynamic logic"
    - "parity and streett games with costs"
    - "optimal bounds in parametric ltl games"

Connected through hyperedge HE-4 (induced by source paper "formal requirement debugging for testing and verification of cyber physical systems"):
  with members:
    - "vispec a graphical tool for elicitation of mtl requirements"
    - "low effort specification debugging and analysis"
    - "deciding the satisfiability of mitl specifications"

Connected through hyperedge HE-5 (induced by source paper "non dominating sequences of vectors using only resets and increments"):
  with members:
    - "ackermannian and primitive recursive bounds with dickson s lemma"

Connected through hyperedge HE-6 (induced by source paper "parity and streett games with costs"):
  with members:
    - "efficient controller synthesis for consumption games with multiple resource types"
    - "energy parity games"
    - "better quality in synthesis through quantitative objectives"

Connected through hyperedge HE-7 (induced by source paper "multiplayer cost games with simple nash equilibria"):
  with members:
    - "on equilibria in quantitative games with reachability safety objectives"
    - "better quality in synthesis through quantitative objectives"

Connected through hyperedge HE-8 (induced by source paper "on equilibria in quantitative games with reachability safety objectives"):
  with members:
    - "on subgame perfection in quantitative reachability games"
    - "better quality in synthesis through quantitative objectives"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.FL(Formal Languages and Automata Theory)