         Sentence 1: During. the flight, engineers|  misjudged the extent, of the damage. and  even during that. period. they, lamented|  that the liftoff. photography. was poor    Sentence 2: During. the flight, engineers|  underestimated. the extent. of the  damage|  ; and even. then, lamented that the liftof¢|  photography was so poor    