( ( in fact ) ( , ( immediately ( ( seek ( ( some sort ) ( of shelter ) ) ) . ) ) ) )
(ROOT (S (PP (IN in) (NP (NN fact))) (, ,) (ADVP (RB immediately)) (VP (VB seek) (NP (NP (DT some) (NN sort)) (PP (IN of) (NP (NN shelter))))) (. .)))
in fact, immediately seek some sort of shelter.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP it)) (VP (VBZ rains)))) (, ,) (NP (DT some) (NNS animals)) (VP (MD will) (VP (VB move) (S (VP (TO to) (VP (VB seek) (NP (NN shelter))))))) (. .)))