( ( If ( it ( is ( in ( a ( low ( pressure area ) ) ) ) ) ) ) ( it ( ( will ( be ( ( cloudy and ) rainy ) ) ) . ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP it)) (VP (VBZ is) (PP (IN in) (NP (DT a) (JJ low) (NN pressure) (NN area)))))) (NP (PRP it)) (VP (MD will) (VP (VB be) (ADJP (JJ cloudy) (CC and) (JJ rainy)))) (. .)))
If it is in a low pressure area it will be cloudy and rainy.
(ROOT (S (NP (JJ Cloudy) (NNS conditions)) (VP (MD will) (ADVP (RBS most) (RB likely)) (VP (VB result) (PP (IN from) (NP (DT a) (JJ low-pressure) (NN weather) (NN system))))) (. .)))
Cloudy conditions will most likely result from a low-pressure weather system.