( ( When ( ( the cells ) ( ( described synapse ) ( on ( their ( target cells ) ) ) ) ) ) ( , ( ( ( the synapse ) ( -LRB- ( s -RRB- ) ) ) ( ( should ( ( be ( excitatory ( for ( ( ( ( ( ( ( ( ( ( ( -LRB- ( all ( adrenergic ( neurons -RRB- ) ) ) ) -LRB- ) ( all ( cholinergic neurons ) ) ) -RRB- ) -LRB- ) ( all synapses ) ) -RRB- ) ( -LRB- ( ( none ( of ( the synapses ) ) ) -RRB- ) ) ) ( -LRB- ( ( some ( of ( each type ) ) ) -RRB- ) ) ) ( -LRB- ( ( some ( of ( the ( adrenergic only ) ) ) ) -RRB- ) ) ) ( -LRB- ( ( some ( of ( the ( cholinergic only ) ) ) ) -RRB- ) ) ) ) ) ) ( -LRB- ( ( ( ca n't ) predict ) -RRB- ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT the) (NNS cells)) (VP (VBD described) (NP (NN synapse)) (PP (IN on) (NP (PRP$ their) (NN target) (NNS cells)))))) (, ,) (NP (NP (DT the) (NN synapse)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (VP (MD should) (VP (VB be) (ADJP (JJ excitatory) (PP (IN for) (NP (NP (NP (NP (NP (NP (-LRB- -LRB-) (DT all) (JJ adrenergic) (NN neurons) (-RRB- -RRB-)) (-LRB- -LRB-) (NP (DT all) (JJ cholinergic) (NNS neurons)) (-RRB- -RRB-) (-LRB- -LRB-) (ADJP (RB all) (JJ synapses)) (-RRB- -RRB-)) (PRN (-LRB- -LRB-) (NP (NP (NN none)) (PP (IN of) (NP (DT the) (NNS synapses)))) (-RRB- -RRB-))) (PRN (-LRB- -LRB-) (NP (NP (DT some)) (PP (IN of) (NP (DT each) (NN type)))) (-RRB- -RRB-))) (PRN (-LRB- -LRB-) (NP (NP (DT some)) (PP (IN of) (NP (DT the) (NN adrenergic) (RB only)))) (-RRB- -RRB-))) (PRN (-LRB- -LRB-) (NP (NP (DT some)) (PP (IN of) (NP (DT the) (NN cholinergic) (RB only)))) (-RRB- -RRB-))))) (PRN (-LRB- -LRB-) (S (VP (MD ca) (RB n't) (VP (VB predict)))) (-RRB- -RRB-)))) (. .)))
When the cells described synapse on their target cells, the synapse(s) should be excitatory for (all adrenergic neurons) (all cholinergic neurons) (all synapses) (none of the synapses) (some of each type) (some of the adrenergic only) (some of the cholinergic only) (can't predict).
(ROOT (S (NP (NNP Synapse)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT a) (NN connection)) (PP (IN between) (NP (NP (DT a) (NN neuron)) (CC and) (NP (PRP$ its) (NN target) (NN cell)))))))) (. .)))