{HEAD ~ The harvested seed} can be grown to produce {TAIL ~ a pea plant} or hybrid pea plant 
grown to produce
{ HEAD ~ The harvested seed } can be grown to produce { TAIL ~ a pea plant } or hybrid pea plant
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH