Having inherited a bay gene from both parents, these stallions will always transmit a bay gene to their offspring, and are therefore incapable of producing a chestnut foal.
(these stallions; will transmit; a bay gene; to their offspring; T:always) (these stallions; are; therefore incapable of producing a chestnut foal)
these stallions these stallions
will transmit are
a bay gene to their offspring T:always
therefore incapable of producing a chestnut foal