definiens: means, on an Eligible Target - by- Eligible Target ( or, as applicable, Selected Target - by - Selected Target ) basis, that period of ti me beginning on the date that [ * * * ] or the date that [ * * * ], and ending on the date that the first of the following events occurs in respect of such Eligibl e Target or Selected Target ( as applicable ): 1.52.1 such Eligible Target is [ * * * ] for any reas on, other than [ * * * ] ; 1.52.2 such Selected Target is [ * * * ] ; 1.52.3 [ * * * ] in respect of such Selected Target [ * * * ] ; 1.52.4 in the event that [ * * * ] in respect of such Selected Target occurs ; or 1.52.5 [ * * * ] ( whether [ * * * ], or [ * * * ] relates to s uch Eligible Target or Selected Target, as the case may be ) [ * * * ]