Spectra of images A (upper panel), B (middle panel), and C (lower panel) from ALFOSC mounted on the Nordic Optical Telescope. Prominent emission lines, such as Lyαλλ 1215.24, N V λλ 1240.81, Si IV λλ 1397.61, C IV λλ 1549.48, and [C III] λλ 1908.734 are indicated with black labels, assuming a redshift of 2.341. In addition, we also find traces of O I λλ 1305.53 and C II λλ 1335.31. Besides emission lines, the spectra also exhibit complicated absorption features blanketing the emission lines. This is especially the case in regions bluewards of Lyα, N V, Si IV, and C V. These broad absorption lines indicate that the background quasar of the PSOJ0147 lens system belongs to the BAL category.