( ( If ( ( your body ) ( sends ( ( a signal ) ( of ( ( comfort and ) eagerness ) ) ) ) ) ) ( , ( proceed . ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP$ your) (NN body)) (VP (VBZ sends) (NP (NP (DT a) (NN signal)) (PP (IN of) (NP (NN comfort) (CC and) (NN eagerness))))))) (, ,) (VP (VB proceed)) (. .)))
If your body sends a signal of comfort and eagerness, proceed.
(ROOT (S (NP (NNS Hormones)) (VP (VBP send) (NP (NNS signals)) (PP (IN through) (NP (PRP$ your) (NN body)))) (. .)))