Matthew 19:10 N-NFS
BIB: ἐστὶν ἡ αἰτία τοῦ ἀνθρώπου
NAS: to Him, If the relationship of the man
KJV: unto him, If the case of the man be
INT: is the case of the man

Acts 10:21 N-NFS
BIB: τίς ἡ αἰτία δι' ἣν
NAS: for; what is the reason for which
KJV: what [is] the cause wherefore
INT: what [is] the cause for which